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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Poppy Satin Corset Formal Dress
HanSpecial Occasion
For nights that call for a little extra drama, the Poppy satin mermaid gown sculpts and smooths in all the right places. The structured corset bodice and lace-up back bring a refined edge, while the sleek silhouette and slit create a striking, head-turning finish.
Fit & Features
- Stretch satin fabric, knit lining
- Sweetheart neckline, padded bra cups, mesh applique, beaded trim
- Adjustable spaghetti straps
- Corset-structured bodice, lace-up back, zipper and hook-eye closure
- High front slit, mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, black tie occasion, wedding, gala, red carpet events, milestone parties
Style Number/Barcode: 05002-001511
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: Out of Stock
Product Badge:- Ships Free
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Mila Rosette Wrap-Front High Slit Formal Dress
Special Occasion
Take your formal look to a chic new level with the romantic and sultry Mila formal dress! She features a sleeveless V-neckline with a wrap-front, spaghetti straps, a trendy rosette applique at the side with ruching at the waist, a floor-length hem with a wrap design creating a high side slit, and a slim-fit silhouette. The buttery-smooth knit fabric offers plenty of stretch. Style with strappy stilettos for a stunning allure.
Fit & Features
- Sleeveless V-neckline, wrap-front, spaghetti straps
- Rosette side applique, ruching
- Floor-length hem, wrap design, high side slit
- Slim-fit silhouette
- Smooth and stretchy knit fabric
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7711
Category Name: Long Wedding Guest Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Aureline Long Sleeve Open Back Formal Dress
Special Occasion
Sleek lines and sheer detailing give the Aureline formal dress an elegant, modern finish. The crew neckline, long sheer sleeves, ruched waist and hip detailing, and high side slit shape the fitted floor-length silhouette, while the open back adds a striking contrast. It’s a polished choice for a wedding guest.
Fit & Features
- Sheer mesh fabric with partial knit lining, high stretch
- Crew neckline
- Sheer long fitted sleeves
- Open back, top closure, lower zipper with hook-eye closure
- Ruched waist and hip overlay detailing
- High side slit, floor-length bodycon silhouette
- Runs true to size
Where to Wear:
Wedding guests, galas, black-tie events, dressed-up dinners, and prom.
Style Number/Barcode: 05002-001802
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L, XL
Product Badge:- Best Seller
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Myra Mesh Open Back Formal Dress
Special Occasion
The floral hardware accent gives the Myra formal dress its sculptural focal point. This mesh formal dress pairs a boat neckline with wide straps, ruched front detail, and an open back for a sleek look with dimension. The floor-length silhouette keeps the finish polished from every angle.
Fit & Features
- Mesh fabric, partial knit lining
- Boat neckline, wide straps
- Floral hardware accent
- Ruched front and sash detail
- Open back design with zipper and hook-eye closure
- Flowy sheer floor-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, formal birthdays, vacations, honeymoons, resort getaways, cocktail parties, date nights
Style Number/Barcode: 05002-001244
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
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Judy Formal Sequin Ombre Lace Up Dress
Special Occasion
Judy brings the sparkle in her eye-catching sequin-embroidery with a unique ombre effect sure to wow the crowd! The formal long dress features a classy, sleeveless, square neck, adjustable spaghetti straps, and a built-in padded bust. Create a head-turning exit in her sultry open back with a lace-up closure atop a form-fitting mermaid silhouette with a front high-cut slit. Finish the look with fringe rhinestone earrings for extra sparkle.
Fit & Features
- Sleeveless, square neck, adjustable spaghetti straps
- Built-in padded bust, no bra required
- Open-back, lace-up, and zipper closure
- Form-fitting mermaid silhouette
- Front high-cut slit, floor-length hem
- Ombre sequin embroidery
- Lined fabric, moderate stretch, fits true to size
Style Number/Barcode: 05002-2262
Category Name: Long Wedding Guest Dresses
Price: $19.97 $129.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Mckensie Glitter Mermaid Formal Dress
Special Occasion
Made for your slow-turn moment, the Mckensie glitter knit mermaid gown hugs in all the right places before softly flaring for a fluid, sculpted finish. The delicate tie front and open back detail add a touch of intrigue, striking that perfect balance between polished and alluring.
Fit & Features
- Glitter knit-lined fabric, moderate stretch
- Plunge V-neckline with tie front
- Spaghetti straps
- Open tie-back
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie events, galas, engagement parties, rehearsal dinners, birthdays, prom, resort destinations, vacations, formal celebrations
Style Number/Barcode: 05002-001486
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: BROWN, LAVENDER
Available Size: XS, S, M, L
Product Badge:- Sale
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Malia Halter Mermaid Floral Mesh Formal Dress
Special Occasion
Blossom with beauty in the Malia floral mesh formal dress at every wedding and dressy occasion! It is designed with a cutout halter neckline for added allure and a curve-flaunting mermaid silhouette. Pair with earrings.
Fit & Features
- Floral print mesh fabric lined with stretchy knit
- Cutout halter neckline, spaghetti strap tie
- Padded bra cups
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9009
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Megan Formal One Shoulder Long Dress
Special Occasion
Effortlessly chic and stunning, the Megan formal dress is perfect for engagement parties and holiday soirees! She features a sleeveless one-shoulder neckline, tank-style strap, high-waist seam, and a form-hugging slim silhouette with a sexy high-cut side slit and a long hem. The formal dress is composed of smooth double-lined knit fabric with a moderate stretch. Style with hoop earrings and a clutch to complete the dressy look!
Fit & Features
- Sleeveless one-shoulder neckline, tank-style strap
- High-waist seam
- Form-hugging slim silhouette
- High-cut side slit
- Smooth double-lined knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-3436
Category Name: Long Wedding Guest Dresses
Price: $19.97 $38.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Londyn Formal Sleeveless Satin Dress
Special Occasion
Keep it stunning in sleek satin as you create a memorable impression in our Londyn dress!
Fit & Features
- Cowl Neck
- Spaghetti Straps
- Lined Satin
- Relaxed Slinky Fit
- Minimal Stretch
- No Zipper
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0469
Category Name: Long Wedding Guest Dresses
Price: $20.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Britt Halter High Slit Ruched Formal Dress
Special Occasion
Show off your captivating silhouette in the sleek and stunning Britt ruched formal dress. She features a sleeveless sweetheart neckline, tie-back halter straps, a partially open back, ruching down the side seams for a gorgeous look, a floor-length hem with a thigh-high side slit, and an overall form-fitting silhouette to hug your natural curves. The smooth knit fabric offers plenty of stretch. Complete your look in this formal long dress for dances or parties with platform heels.
Fit & Features
- Sleeveless sweetheart neckline
- Tie-back halter straps, partially open back
- High waist seam, ruched side seams
- Floor-length hem, thigh-high side slit
- Curve-hugging silhouette
- Smooth knit fabric, lined bust, plenty of stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7476
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Miranda Formal Sequin Sleeveless Long Dress
Special Occasion
You'll look and feel oh-so-special in the Miranda formal sequin dress designed to shine at gala dinners or black-tie weddings! She features a sleeveless sweetheart neckline with a wire insert and padded bust, tank-style straps, a form-hugging slim silhouette, and a stunning high front slit along the floor-length hem. The formal dress is composed of a sequin-knit fabric with a stretchy knit lining. Complete the look with a silver clutch and heels.
Fit & Features
- Sleeveless sweetheart neckline, tank-style straps
- Wire insert, padded bust, back zipper and hook-eye closure
- Form-hugging, slim silhouette
- High-front slit, floor-length hem
- Sequin-knit fabric, stretchy knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6834
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Normani Formal Lace Corset Mermaid Long Dress
Special Occasion
Romance is in the air! The Normani Formal Lace Corset Mermaid Long dress brings flirty love vibes to every party. She features a classic sleeveless, v-neckline with adjustable spaghetti straps, a built-in padded bust, and a sheer lace corset-style bodice that leads to her form-fitting, mermaid floor-length silhouette. The formal dress is composed of a delicate lace sparkly lined fabric with a minimal stretch. Finish the look in classy heels and a choker.
Fit & Features
- V-neckline, Adjustable spaghetti straps
- Built-in padded bust, No bra required
- Back zipper closure
- Sheer lace corset-style bodice
- Form-fitting, Mermaid silhouette, Floor-length hem
- Sparkly lace lined fabric
- Fits true to size, Minimal stretch
Style Number/Barcode: 05002-2241
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Ariella Heat Stone Mermaid Formal Dress
Special Occasion
Showcase gorgeous radiance when you enter the room in the floor-sweeping Ariella formal dress. She features a sleeveless sweetheart neckline, dual adjustable spaghetti straps for a customized fit, a chic strappy lace-up back design, all-over heat stone embellishment for that glamorous sparkle, and a fitted mermaid silhouette with a sultry thigh-high side slit to show some leg. Complete the look with sleek stilettos.
Fit & Features
- Sweetheart neckline, dual adjustable spaghetti straps
- Adhesive bra recommended
- Lace-up back, high side slit
- Heat stone embellishments
- Mermaid silhouette, floor-length hem
- Minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2353
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Courtney Foiled Floral Formal Dress
Special Occasion
Looking for an enchanting look? The Courtney formal dress will have all eyes on you as you make your entrance! She features a sleeveless V-neckline, spaghetti straps that lead to an open back with a cross strap design, chic waist cutouts, a flowy, floor-length, A-line silhouette, and a sultry thigh-high front slit. The crepe fabric has a gorgeous all-over floral pattern with a foiled finish. Complete the look with rhinestone earrings and heels.
Fit & Features
- Sleeveless V-neckline
- Spaghetti straps
- Open back, cross strap design, lower back zipper closure
- Dual waist cutouts
- Floor-length A-line silhouette, high front slit
- Crepe fabric, floral pattern, foiled finish
- Runs true to size
Style Number/Barcode: 05002-1610
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Coastal Luxe Floral Mermaid Maxi Dress
This floral maxi dress is soft, stunning, and just a little mysterious. The dreamy drape and floral mesh give off major “walking through a field of wildflowers” energy.
Fit & Features
- Floral print, mesh lined fabric
- Cowl square neckline
- Spaghetti straps
- Mermaid silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-000582
Category Name: Long Wedding Guest Dresses
Price: $9.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Holly Floral Cold Shoulder Mermaid Formal Dress
Special Occasion
Like a love letter in dress form—soft, floaty, unforgettable. The Holly Floral mermaid dress hugs in all the right places and flows with every step you take, whether you're bridesmaid-ing or main event-ing.
Fit & Features
- Floral print, mesh-lined fabric
- Cold shoulder neckline, adjustable spaghetti straps
- Padded bra cups
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, summer galas, dinner parties, fancy celebrations, formal events
Style Number/Barcode: 05002-000029
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Ariella Corset Mermaid Lace Formal Dress
Special Occasion
For chic structuring on pretty lace fabric, the Ariella formal dress will have you looking and feeling gorgeous! The dress exudes gorgeous details from the corset bodice to the mermaid silhouette that accentuates your curves.
Fit & Features
- Lace fabric, mesh double-lining
- Sweetheart neckline, adjustable spaghetti straps
- Corset bodice, flexible boning
- Back zipper hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, galas, elegant functions, garden parties, big milestone celebrations, fancy date nights
Style Number/Barcode: 05002-9411
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Nayeli Halter Slit Mermaid Glitter Formal Dress
Special Occasion
Shine like the stars in the sky in the Nayeli glitter formal dress at homecoming, banquets, or weddings! Made from sparkling glitter knit fabric, you'll catch all the attention. This exquisite dress features a halter neckline with a tie closure for a sophisticated touch. The high front slit and mermaid silhouette add a touch of drama, while the floor-length hem exudes elegance. Complete the look with earrings, a clutch, and heels.
Fit & Features
- Glitter knit fabric, moderate stretch
- Halter neckline with tie closure
- High front slit
- Mermaid silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8516
Category Name: Long Wedding Guest Dresses
Price: $15.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Cheers To You Off The Shoulder Mini Dress
Don't be surprised by all the raised glasses when you stroll into the party in this adorable off-the-shoulder mini dress! It features a sweetheart neckline with non-slip grip lining, trendy puff short-sleeve cuffs, a padded and underwire bust, and ruched seams down the sides and back that flatter your curves along the bodycon silhouette. The dress is composed of a mesh fabric with a sewn-in knit lining. Complete the look with statement hoop earrings and heels.
Fit & Features
- Off-the-shoulder, sweetheart neckline, non-slip grip lining
- Puff short-sleeve cuffs, back zipper and hook-eye closure
- Padded and underwire bust
- Ruched side and back seams
- Bodycon silhouette, mini-length hem
- Mesh fabric, sewn-in knit lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05101-2571
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Vickie Formal Satin Scoop Neck Mermaid Dress
Special Occasion
Look and feel effortlessly gorgeous in the Vickie formal satin dress as a bridesmaid, black tie gala guest, or any fancy affair! She features a sleeveless scoop neckline, adjustable spaghetti straps, a lightly padded bust, flexible boning inserts along the bodice, a skin-bearing high front slit, and a flattering mermaid silhouette with a floor-length hem. The formal dress is composed of a smooth satin-lined fabric with minimal stretch. Complete the look with statement earrings.
Fit & Features
- Sleeveless scoop neckline, adjustable spaghetti straps
- Lightly padded bust, back zipper and hook-eye closure
- Flexible boning inserts along the bodice
- Mermaid silhouette, high front slit, floor-length hem
- Lined smooth satin fabric, minimal stretch
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-6945
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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Unwrap Me Lace V-Neck Midi Dress
Let their eyes unwrap you in this sultry lace midi dress that's absolute perfection for date night! Featuring a sleeveless V-neck, spaghetti straps that cross along the back, and a bodycon silhouette with a scallop trim slit. The dress is composed of a delicate lace fabric with partial lining and minimal stretch. Complete the look with a chic ring set and heels.
Fit & Features
- Sleeveless V-neck, spaghetti straps
- Criss-cross back
- Bodycon silhouette
- Scallop trim slit
- Midi-length hem
- Lace fabric, partial lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05101-2022
Category Name: Long Wedding Guest Dresses
Price: $9.97 $39.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mckenzie Velvet Heat Stone Formal Dress
Special Occasion
Radiate the night in the Mckenzie formal dress! She's simply stunning in long sleeves, a V-neckline, and a wrapped slit skirt for a sexy show of leg. The luxe-lined velvet fabric offers a moderate stretch and features heat stone insets that glimmer under the light. Complete your look in dressy heels.
Fit & Features
- Long fitted sleeves, V-neckline
- Wrapped skirt, high cut slit
- Floor-length hem
- Form-fitting design
- Back zipper and hook and eye closure
- Lined velvet fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1672
Category Name: Long Wedding Guest Dresses
Price: $14.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Romantic Drama Floral Rhinestone Maxi Dress
This floral mesh maxi dress stuns with a plunging halter neckline, open back, and sparkling gem detail that catches the light. Perfect for cocktail parties, dressy celebrations, or nights that call for elegance.
Fit & Features
- Floral print, rhinestone-embellished
- Mesh fabric lined with stretch knit
- Halter plunge neckline, gemstone charm, tie closure
- Open back with adjustable strap
- Curve-hugging maxi silhouette
- Center back slit
- Runs true to size
Style Number/Barcode: 05101-000429
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Clea Satin Strapless Wrap Mermaid Dress
Special Occasion
Radiate a chic allure in the Clea formal dress made with sleek stretch satin that will give off a gorgeous sheen. The pleated wrap-front design on the mermaid silhouette will flaunt your stunning curves.
Channel elegance in this stunning dress. Loving rich hues? Explore our bold green prom dresses or make a statement in our elevated formal dresses.
Fit & Features
- Stretch satin fabric
- Strapless straight-across neckline
- Pleated wrap-front design
- Back zipper closure
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, galas, and black-tie events.
Style Number/Barcode: 05002-9013
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free