Long Wedding Guest Dresses
Elevate your wedding guest style with these gorgeous long dresses. Whether you prefer a flattering A-line, dramatic mermaid, or sleek sheath silhouette, these styles feature luxe fabrics like satin, rhinestones, velvet, and glitter knit. Perfect for semi-formal, formal, or black-tie weddings, with stunning details like side slits, low backs, and strappy or strapless necklines. Find your picture-perfect long dress or gown for your upcoming wedding celebration.
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Long Wedding Guest Dresses Made for a Grand Entrance
Long Wedding Guest Dresses bring the drama for fall and winter weddings with sweeping lengths, elegant shapes, and luxe details made for celebrating. From flowing A-line dresses to sleek column and curve-defining designs, Windsor’s collection gives you plenty of ways to go long for formal receptions, holiday weddings, and every dressed-up RSVP this season.
Long Silhouettes from Flowing to Fitted
The best long dresses for wedding guest style balance the impact of the length with a silhouette that feels like you. A-line dresses create graceful movement, while fitted and column shapes offer a sleeker profile. Mermaid Wedding Guest Dresses contour through the bodice and hips before flaring toward the hem for a more dramatic finish.
Modern details give these silhouettes even more personality. Corset bodices and lace-up backs can add structure or adjustability, while ruching and ruffles bring texture and dimension. Cowl, halter, off-the-shoulder, square, V-neck, and sweetheart necklines give you different ways to frame your look.
Floor-Length Wedding Guest Dresses Made to Move
Floor-Length Wedding Guest Dresses may bring the drama, but they should still let you enjoy the celebration. Front, side, or back slits give a long skirt more freedom of movement while creating a stylish reveal of your heels. They can also make the silhouette come alive as you walk, dance, and capture those must-post photos from the celebration.
For a little less length, explore mid-length wedding guest dresses when you want an elevated look that puts more focus on your shoes.
Why Choose a Long Dress for a Fall or Winter Wedding?
Long silhouettes are a natural choice for cooler-season weddings when you want more coverage without giving up a dressed-up look. Satin and lace can transition beautifully through fall, while velvet brings richer texture as winter arrives. Glitter, sequins, rhinestones, and beaded details dial up the festive mood for holiday and New Year’s Eve weddings.
For colder celebrations where you want more arm coverage, long sleeve formal dresses offer another season-ready option. If the invitation calls for an especially elevated dress code, explore formal wedding guest dresses for styles suited to black-tie celebrations.
What Is the Best Long Dress for a Wedding Guest?
Start with the dress code, then consider the venue and overall vibe of the wedding. A flowing A-line dress can complement an outdoor or rustic setting, while a sleek column or mermaid silhouette can match the polished mood of an elegant indoor or city celebration. For formal weddings, look to floor-length styles in luxe fabrics or with refined embellishments to meet the dressier moment.
From softly flowing shapes to fitted statement styles, Windsor’s Long Wedding Guest Dresses give you elegant options for fall, winter, holiday, and New Year’s Eve celebrations.
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Mila High Slit Ruched Dress
Special Occasion
Show off a hint of leg in our sultry Mila dress! She features a sleeveless trendy square neckline, adjustable spaghetti straps, ruched side seams, and a floor-length, curve-hugging silhouette with a thigh-high side slit. Style this dress with a pair of sleek stilettos and lots of shine for an A-list look!
Fit & Features
- Sleeveless square neckline
- Adjustable spaghetti straps
- Ruched side seams
- Floor-length, form-fitting silhouette
- High side slit
- Lined smooth knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0880
Category Name: Long Wedding Guest Dresses
Price: $19.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Plus Roxy Sweetheart Dress
Special Occasion
Keep it classy for your next formal event! Our Roxy floor length dress features an off the shoulder sweetheart neckline that creates short sleeves, light pleating along the bodice to create a flattering hourglass silhouette and a large front slit to provide a tease of leg leading to a trumpet skirt. She is composed of a crepe fabric that offers a luxurious feel and offers plenty of stretch.
*Web exclusive - online returns only*
Model is 5'11 with a 47" bust, 40.5" waist and 57.5" hips. She is wearing a size 1X.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 15002-0001
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Meara Beaded Sequin Mermaid Formal Dress
Special Occasion
Refined with a soft after-hours glow, The Meara is designed to captivate from first glance to final dance. Crafted in beaded sequin mesh fabric, this mermaid floor-length silhouette features a fluid cowl neckline and delicate spaghetti straps that frame a lace-up open back.
Fit & Features
- Beaded sequin mesh fabric with smooth knit lining
- Cowl neckline
- Spaghetti straps
- Lace-up open back
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, upscale cocktail receptions, formal soirees, destination weddings, evening resort events, special occasions, anniversaries, formal dances
Style Number/Barcode: 05002-001083
Category Name: Long Wedding Guest Dresses
Price: $154.90
Availability: Out of Stock
Product Badge:- Ships Free
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Quincy A-Line High Slit Formal Dress
Special Occasion
Slip into the simple yet chic Quincy formal dress! She features a sleeveless cowl neckline, adjustable spaghetti straps for a customizable fit, an open back with a lace-up tie design, and a fitted, floor-length, A-line silhouette with a high side slit. Style this dress with rhinestone heels to add a hint of sparkle.
Fit & Features
- Sleeveless cowl neckline, adjustable spaghetti straps
- Built-in padded bust, no bra required
- Open back, lace-up design, tie closure
- Back zipper closure
- Floor-length, A-line silhouette, side slit
- Smooth knit-lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-7880
Category Name: Long Wedding Guest Dresses
Price: $24.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Deirdre Sequin Mesh Slit Gown
Special Occasion
Shine all evening long in our dazzling bodycon Deirdre gown! She features all-over patterned sequin embellishment, adjustable cross-back spaghetti straps, a V-neck bodice with beige mesh panel at bust and back zip with hook-and-eye closure, and a high-seam waist leading to a long skirt with high side slit. Deirdre is fully lined and made from a woven mesh blend with minimal stretch.
Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0283
Category Name: Long Wedding Guest Dresses
Price: $14.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Haley Open Back Sash Mermaid Formal Dress
Special Occasion
The Haley formal dress was made for the spotlight moment—the kind where you glide across the room and every detail shimmers in motion. This floor-length mermaid gown features a plunging V-neckline, delicate adjustable straps, and an open back draped with an elegant sash that trails behind you.
Fit & Features
- Smooth knit-lined fabric, subtle sheen
- V-neckline
- Adjustable spaghetti straps
- Open back with attached floor-length sash
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Black-tie weddings, galas, award dinners, destination celebrations, engagement parties, rehearsal dinners, charity balls, fancy date nights, formal events
Style Number/Barcode: 05002-000462
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: HUNTER, WINE
Available Size: L, XL
Product Badge:- Ships Free
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Riley Ruched Velvet Formal Dress
Special Occasion
Showcase an elevated and chic style in the gorgeous Riley ruched velvet formal dress! She features a sleeveless cowl neckline, spaghetti straps that lead to a cross-back design, a hip-hugging silhouette with ruching at the waist, and a floor-length hem with a sultry thigh-high front slit. The velvet fabric gives off a luxe vibe. Complete the look with strappy heels and an embellished evening bag.
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps, cross-back design
- Hip-hugging silhouette, ruching at the waist
- Floor-length hem, high front slit
- Velvet fabric, lined bust, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7374
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Blake Lace Back Satin Dress
Special Occasion
Captivate them all with our gorgeous Blake lace back satin dress! She features a sleeveless bodice, spaghetti straps that cross and lead to a sheer lace back with a zipper and hook and eye closure, a V neckline with a padded bust, and flattering princess seams. Her high waist leads to a flowy floor-length skirt with an A-line silhouette and a sultry thigh-high front slit. The dress is composed of a smooth satin fabric that offers a moderate stretch. Complete your stunning look with a chic pair of new earrings.
Fit & Features
- Spaghetti straps that lead to a cross back design
- Sheer lace back with a zipper and hook and eye closure
- V neckline with a padded bust
- Floor-length skirt with a high front slit
- A-line silhouette
- Satin fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-0136
Category Name: Long Wedding Guest Dresses
Price: $37.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Georgina Formal Velvet Long Dress
Special Occasion
Soft to the touch and oh-so-luxe, you'll be a favorite among party-goers in the ravishing Georgina formal dress perfect for weddings, black tie events, and red carpets. She features an off-the-shoulder sweetheart neckline, short-sleeve cuffs, a lightly padded bust, a pleated side seam, and a form-hugging mermaid silhouette with a flirty slit along her floor-length hem. The long formal dress is composed of luxurious velvet fabric. Style with statement earrings to complete the look!
Fit & Features
- Off-the-shoulder sweetheart neckline, short-sleeve cuffs
- Lightly padded bust, pleated side seam
- Form-hugging, mermaid silhouette
- Front slit, floor-length hem
- Lined velvet fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2612
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Charmaine Formal One-Shoulder Satin Dress
Special Occasion
Make an elegant impression with a formal dress that makes a breathtaking entrance! Charmaine features a one-shoulder neckline with a draped short sleeve, a high side slit, and an A-line silhouette. The dress is composed of a satin-like fabric that offers a form-hugging fit. Complete the look with rhinestone heels.
Fit & Features
- One-shoulder neckline, draped short sleeve
- Built-in padded bust, no bra required
- Back zipper closure, high side slit
- Form-fitting, a-line silhouette
- Satin-lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1325
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Hayden Ruched Glitter Knit Mermaid Dress
Special Occasion
Glitzy and glam with a touch of sultry, the Hayden glitter knit mermaid dress will have all eyes on you at Prom! She features a sleeveless square neckline, spaghetti straps, ruched detailing down the front and side seams, a floor-length hem, a curve-hugging mermaid silhouette, and a high front slit to showcase some leg. The glitter knit fabric offers a moderate stretch. Style with rhinestone fringe earrings.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps
- Ruching down the front and side seams
- Floor-length hem, mermaid silhouette, front slit
- Glitter knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2524
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jessica Formal Lace Slit Long Dress
Special Occasion
Delightfully alluring and effortless! Unveil your beauty in the Jessica formal lace dress for your walk down the aisle as a bride or graduate! She brings the romance in her sleeveless V-neckline with scallop trim, adjustable spaghetti straps, a lightly padded bust, and a slim curve-hugging silhouette with a sultry high side slit and long hem. The formal dress is composed of a lace fabric with a stretchy knit lining. Style with earrings and simple block heels.
Fit & Features
- Sleeveless V-neckline, scallop trim
- Adjustable spaghetti straps, lightly padded bust
- Slim, curve-hugging silhouette
- High side slit, long hem
- Lace fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-5577
Category Name: Long Wedding Guest Dresses
Price: $29.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mellie Faux Pearl Mesh Mermaid Long Formal Dress
Special Occasion
Step into elegance in the Mellie mesh long formal dress to make a memorable impression at weddings or banquets! Designed with a flattering sweetheart cowl neckline, adjustable spaghetti straps for a customizable fit, and padded bra cups to give you support. The side and back ruched seams create a stunning mermaid silhouette, while the high front slit adds a touch of allure. Made with luxurious faux pearl mesh fabric, this floor-length gown is the epitome of sophistication and style. Complete the look with a sparkly clutch and heels!
Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.
Fit & Features
- Faux pearl embellished mesh fabric lined with knit
- Adjustable spaghetti straps
- Padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length
- Runs true to size
Style Number/Barcode: 05002-8128
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Rhonda High Slit Taffeta Dress
Special OccasionBring the drama in our red carpet worthy Rhonda dress! She features a lined bodysuit bodice with a plunging V neckline, princess seams, fitted long sleeves, and a narrow waist band accent. Her slim fit bodice leads to a sweeping floor length taffeta skirt that is accented with pleating details, a high side slit and wide banded hemline. Dress is composed Bodysuit is composed of a crepe fabric and includes a snap button closure. Garment offers a flattering relaxed fit with minimal stretch.
Model is 5'6.5" with a 32" bust, 23.5" waist and 35 hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-5883
Category Name: Long Wedding Guest Dresses
Price: $37.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Mandy Glitter Mesh Mermaid Dress
Special Occasion
Captivate them all in the gorgeous and glam Mandy glitter mesh mermaid dress! She features an off-the-shoulder cowl neckline with a draped front accent, sheer long fitted sleeves with ruched detailing, a sheer waist design, and a floor-length hem with a mermaid silhouette. The sheer glitter mesh fabric has a partial knit lining. Style the long dress with rhinestone heels for a formal soiree.
Fit & Features
- Off-the-shoulder cowl neckline, draped accent
- Strapless or adhesive bra recommended
- Sheer long fitted sleeves, ruching
- Back zipper closure
- Sheer waist design, high waist seam
- Floor-length hem, fitted mermaid silhouette
- Sheer glitter mesh fabric, partial knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2522
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Leslie Off-The-Shoulder Mermaid Dress
Special Occasion
Showcase elegance and glamour in the Leslie crepe mermaid dress. She features an off-the-shoulder neckline with a chic detailed overlay, short puff sleeves, a high waist seam with side pleated detailing, and a faux wrap floor-length skirt with a front slit and a mermaid silhouette. Style this dress with rhinestone earrings and new heels.
Fit & Features
- Off-the-shoulder neckline, detailed overlay
- Short puff sleeves
- Strapless or adhesive bra recommended
- High waist seam, side pleated detailing, back zipper, hook and eye closure
- Faux wrap floor-length skirt, front slit
- Mermaid silhouette
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1229
Category Name: Long Wedding Guest Dresses
Price: $14.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marisol Lace-Up Column Sequin Satin Formal Dress
Special Occasion
Make a jaw-dropping entrance in the Marisol sequin satin formal dress at black-tie parties, weddings, or school dances! A square neckline and spaghetti straps accentuate the figure while the lace-up open back adds a touch of drama. The floor-length column silhouette flows into the front slit for movement, showcasing a mesmerizing sequin scroll pattern on luxurious satin fabric.
Sequins bring the perfect mix of elegance and fun. Want more options? Shine in a sparkling sequin prom dress or make an entrance in our glamorous party dresses.
Fit & Features
- Sequin scroll pattern, satin fabric lined with stretchy knit
- Lace-up
- Back zipper and hook-eye closure
- Padded bra cups
- Front slit
- Column silhouette
- Runs true to size
Where to Wear:
Prom, galas, black-tie parties, and red-carpet events.
Style Number/Barcode: 05002-8284
Category Name: Long Wedding Guest Dresses
Price: $59.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sophia Mesh Open Back Mermaid Formal Dress
Special Occasion
Designed to turn heads from every angle, the Sophia floor-length mesh gown glides with quiet drama and sculpted elegance. The figure-hugging silhouette is finished with ruched seams, a draped cowl neckline, and an alluring open back—perfect for your next black-tie RSVP.
Fit & Features
- Mesh-lined fabric, moderate stretch
- Cowl neckline
- Adjustable spaghetti straps
- Open back
- Ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, formal dances, black tie galas, upscale birthdays, garden parties, cocktail dinners, vacations, date nights, bridal showers, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000330
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: In Stock
Available Color: YELLOW, MINT
Available Size: XS, S, M, L, XL
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Allyssa Halter Sash Mermaid Formal Dress
Special Occasion
A moment of pure modern allure, the Allyssa formal dress stuns in soft jersey knit that hugs every curve. The plunging halter neckline features a wired shape for structure and confidence, balanced by ruched seams and a fluid front drape sash that adds a touch of drama. Its floor-length mermaid silhouette is made for evenings that feel effortlessly magnetic.
Fit & Features
- Smooth knit-lined stretchy fabric
- Plunge wired halter neckline
- Front sash drape
- Open back design
- Ruched seams, mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black-tie events, galas, red-carpet occasions, engagement parties, milestone celebrations, holiday soirees, cocktail receptions, industry events
Style Number/Barcode: 05002-000641
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: In Stock
Available Color: BROWN, YELLOW
Available Size: XS, S, M, XL, L
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Luna Formal High Slit Dress
Special Occasion
Radiate elegance with a formal dress that elevates your formal wear. Luna features a sleeveless cowl neckline accented with pleats, spaghetti straps that cross at the back, and lace-up straps that create a customized fit. Her slim waist leads to a form-hugging slim fit with a daringly high side slit. Luna is composed of a lined satin stretch fabric that offers a form-hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless cowl neckline
- Adhesive bra friendly
- Spaghetti straps, cross at back
- Lace-up back
- High waist
- Sheath silhouette, high side slit
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2139
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Koami Formal One Shoulder Dress
Special Occasion
Make your dramatic entrance in a formal dress that showcases your iconic style. Koami features a sleeveless, one-shoulder neckline with asymmetrical dual straps, a high waist seam, and an A-line silhouette accented with a high side slit. The dress is composed of a lined crepe fabric that offers a moderate stretch. Complete look with rhinestone heels and an anklet.
Fit & Features
- Sleeveless, one-shoulder neckline
- Adhesive bra recommended
- Asymmetrical dual strap
- High waist seam, high side slit
- A-line silhouette
- Crepe-lined fabric, moderate stretch
- Fits true to size
Style Number/Barcode: 05002-2282
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Daisy Pleated Tulle Formal Dress
Special Occasion
Dress up for prom like the princess you are with our breath-taking Daisy dress! She is a floor-length evening gown with a floral print, a plunging V neckline, and thin adjustable straps that create an X back. Her wide empire waist leads to a floor-length skirt that dances around your ankles. She is composed of pleated tulle fabric with a sheer appearance and a thin knit lining that features two front slits. Daisy offers a minimal stretch and includes a hidden zipper. Complete look with a rhinestone clutch and a dainty rhinestone bracelet.Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Adhesive bra recommended
- Cross-back straps
- Empire waist, floor-length silhouette, two high front slits
- Floral print
- Lined tulle fabric
- Flowy fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1524
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Jayleen Formal Sequin Lace-Up A-Line Dress
Special Occasion
Captivating swirls of sequins give the Jayleen formal dress endless sparkle! It's your time to shine at school dances, banquets, and weddings. She features a sleeveless square neckline, halter spaghetti straps with button closure, a lace-up open back with tie closure, and a flattering A-line silhouette designed with a skin-baring high front slit along her floor-length hem. The formal long dress is composed of a sequin-embroidered mesh fabric with a stunning iridescent hue and includes a knit lining. Finish the look with a glam necklace and earrings set.
Fit & Features
- Sleeveless square neckline
- Halter spaghetti straps with button closure
- Lace-up open back with tie, lower back zipper and hook and eye closure
- A-line silhouette, high front slit, floor-length hem
- Sequin-embroidered mesh fabric, iridescent hue, knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-3181
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kirsten Formal Heatstone A-Line Dress
Special Occasion
Bring the sparkle to your evening with a formal dress that makes a wow-worthy entrance. Kirsten features a sleeveless sweetheart neckline and mesh shoulder straps. The bodice features dazzling heat stones, a padded bust with a supportive underwire, and flexible boning to enhance your figure. The slim-fit bodice leads to a flowy a-line silhouette with a high side slit. Complete look with rhinestone heels.
Fit & Features
- Sleeveless sweetheart neckline
- Heat stones on bodice, flexible boning
- Padded bust with underwire, no bra required
- Mesh shoulder straps
- Back zipper, hook and eye closure
- A-line silhouette, high side slit
- Lined mesh fabric, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-1221
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance