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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Kass Formal Ombre Sequin Dress
Special Occasion
Bring the shine to your special event with a formal dress that wows from the moment you enter the room! Kass features a sleeveless V-neckline with a mesh inset, supportive padded cups, and a double-row of bungee spaghetti straps. Her slim-fit waist leads to a flowy A-line silhouette. Kass is adorned with sparkling sequins that have a gorgeous ombre effect as they cascade from bodice to hem. The dress is composed of a lined mesh fabric that offers a form-hugging fit with minimal stretch. Complete look with rhinestone heels.
Fit & Features
- Sleeveless V-neckline, double row of bungee spaghetti straps
- Padded cups
- Ombre sequins
- High waist, lower zipper closure
- A-line silhouette
- Lined mesh fabric
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2357
Category Name: Long Wedding Guest Dresses
Price: $14.97 $134.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Kayla Cowl Neck Satin Dress
Special Occasion
Show up looking like the luxurious queen you are in our stunning Kayla!
Fits & Features
- Elastic Cord Spaghetti Straps
- Cowl Neckline I Square Back
- Floor Length Hemline I Front Slit I Rouching & Ties At Side
- Stretch, Satin Fabric
- Curve Hugging Fit I Plenty Of Stretch
- Zipper Not Included
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0779
Category Name: Long Wedding Guest Dresses
Price: $22.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Jazzy Formal Heat Stone Dress
Special Occasion
Bring the glitz in our shimmering Jazzy dress to make a glowing statement!
Fits & Features
- Plunging V neckline
- Long fitted sleeves
- Slim fit silhouette with flared hem
- All over heat stone embellishments
- Mesh knit composition I Fully lined
- Zipper & hook and eye closure
Model is 5'8" with a 32" bust, 23" waist and 36" hips. She is wearing a size small
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0345
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Winnie Satin Formal Dress
Special Occasion
Simple, striking, and made to turn heads. the Winnie formal dress captures classic romance in sleek woven satin, featuring a sweetheart neckline and delicate spaghetti straps. The mermaid silhouette and chiffon-lined finish create that fluid, effortless movement that defines understated elegance.
Fit & Features
- Premium satin fabric, chiffon lining
- Sweetheart neckline
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Curve-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Formal weddings, black-tie galas, evening celebrations, rehearsal dinners, engagement parties, anniversaries, elegant dinner soirees, fancy date nights
Style Number/Barcode: 05002-000479
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lilia Off-The-Shoulder Corset Mermaid Dress
Special Occasion
A dress that speaks in glamour, the Lilia satin mermaid dress stuns with an off-the-shoulder neckline and sculpted corset bodice. The dramatic high slit and ruched detailing make it the ultimate statement for black-tie evenings.
Fit & Features
- Stretch satin fabric, bust knit lining
- Sweetheart wired neckline, off-the-shoulder straps
- Corset bodice, padded bust, flexible boning
- Back zipper with hook-eye closure, ruched lower back
- Pleated faux-wrap front design, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, black-tie parties, galas, red-carpet events, and fancy affairs.
Style Number/Barcode: 05002-000196
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Constance Formal High Slit Mermaid Dress
Special Occasion
Captivate from the moment you enter the room in the enchanting Constance formal dress! She features a V-neckline with a sheer mesh insert, ruched side seam, and a mermaid silhouette with a high side slit. She is composed of a curve-hugging crepe fabric that offers a moderate stretch. Complete look with a clutch and rhinestone collar.
Fit & Features
- Sleeveless V-neckline
- Mesh insert at the bodice
- Ruched side seam
- High side slit
- Mermaid silhouette
- Lined crepe fabric
- Form hugging fit, moderate stretch
Style Number/Barcode: 05002-1218
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jacqueline Open Back A-Line Formal Dress
Special Occasion
Designed for the kind of evening that calls for a slow turn and a second glance, the Jacqueline A-line gown brings sleek elegance with an unexpected edge. The plunging neckline, open back detail, and fluid silhouette create a striking balance of polished sophistication and effortless allure.
Fit & Features
- Floral brocade design, woven fabric and lining
- Plunge V-neckline
- Wide shoulder straps shape the cross-back design
- Open back, lower hidden zipper and hook-eye closure
- Curve-skimming A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, rehearsal dinners, engagement parties, galas, formal milestone parties, garden parties, cocktail soirees, bridal showers, fancy birthday brunches
Style Number/Barcode: 05002-001380
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mariana One-Shoulder High Slit Column Dress
Special Occasion
Made to turn heads from every angle, the Mariana sleek column dress moves with quiet confidence. Crafted from smooth stretch knit, it features a chic one-shoulder neckline and a high-cut slit that brings the drama with every step.
Fit & Features
- Smooth knit fabric, high stretch
- Sleeveless one-shoulder neckline, thin tank strap
- Ruching
- Faux wrap-front design, high-cut slit
- Floor-length column silhouette
- Runs true to size
Where to Wear:
Formal weddings, bridesmaids, black-tie parties, red-carpet events, and dressed-up dinners.
Style Number/Barcode: 05002-000449
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tricia V-Neck Open Back Mermaid Glitter Formal Dress
Special Occasion
Create dazzling memories in the Tricia glitter formal dress at black tie events! The formal dress shines from every angle featuring a sultry open back, a mermaid silhouette that accentuates your curves, and a floor-length hem. Complete the look with earrings.
Fit & Features
- Glitter fabric, stretchy knit lining
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Open back with hook closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8884
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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Saskia Sweetheart Lace Up Mermaid Formal Dress
Special Occasion
Romantic detailing gives this mermaid silhouette a polished finish. The sweetheart off-the-shoulder neckline, ruched bodice, and lace-up back create a sculpted look, while the front slit adds dimension. The result feels elegant, refined, and confidently dressed up.
Fit & Features
- Jacquard pattern, lined mesh fabric
- Sweetheart off-the-shoulder neckline, padded bra cups
- Ruched bodice
- Lace-up back, lower zipper and hook-eye closure
- Front slit with floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black-tie galas, formal celebrations, cocktail soirees, red-carpet events, balls, anniversaries
Style Number/Barcode: 05002-001805
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: PLUM, YELLOW
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Brittany Glitter Mermaid Formal Dress
Special Occasion
The Brittany glitter mesh mermaid gown contours the body with a sleek silhouette and soft, sculpting ruching. The delicate straps and open back add just enough allure—perfect for when you want to make them stop and stare.
Fit & Features
- Glitter mesh-lined fabric
- V-neckline
- Spaghetti straps
- Open back with ruffled details
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, galas, birthday dinners, cocktail events, formal celebrations, anniversaries
Style Number/Barcode: 05002-001270
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Stevie Off-The-Shoulder Formal Dress
Special Occasion
The Stevie gown pairs luminous satin with a sculpted mermaid silhouette that flatters from every angle. The beaded applique adds soft dimension, while the lace-up back brings a touch of drama that feels equal parts refined and unforgettable.
Fit & Features
- Stretch satin fabric, knit lining
- Off shoulder neckline, padded bra cups, non-slip grip lining
- Beaded appliqué detailing
- Lace-up back, zipper and hook-eye closure
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black tie galas, prom, ballroom events, big birthday events, formal celebrations, red-carpet occasions
Style Number/Barcode: 05002-000999
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Danika Satin Mermaid Sash Formal Dress
Special Occasion
Sleek and sophisticated, the Danika satin gown features a draped neckline and a sultry high slit. Finished with delicate straps and a figure-skimming silhouette, it’s the ultimate plus-one for nights that call for pure elegance.
Fit & Features
- Stretch satin fabric with sheen
- Draped cowl neckline
- Spaghetti straps
- Mermaid silhouette, side draped sash
- High side slit
- Floor-length hem
- Runs true to size
Where to Wear:
Black tie weddings, galas, military balls, formal milestone celebrations, rehearsal dinners, engagement parties, upscale birthday events, banquets
Style Number/Barcode: 05002-000135
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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Karlie Sweetheart High Slit Long Formal Dress
Special Occasion
Simplicity is stunning on the Karlie long formal dress perfect for bridesmaids, wedding guests, or banquet parties! Crafted from smooth and slinky knit fabric designed to fit like a glove, she boasts a sleeveless sweetheart neckline accented with elegant cowl draping, while spaghetti straps delicately frame your figure. The fitted bodice hugs your curves, leading to a dramatic high-side slit to show some skin and a slim, curve-hugging silhouette with a sleek long hem. Complete the look with dainty earrings, a bracelet, and heels for a gorgeous evening style!
Fit & Features
- Smooth, slinky knit stretchy fabric
- Spaghetti straps
- High side slit
- Slim silhouette
- Runs true to size
Style Number/Barcode: 05002-7728
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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Abbie Formal Glitter Lace-Up Slit Dress
Special Occasion
Start the party when you arrive in the Abbie formal glitter dress to shimmer and shine at school dances, red carpet events, and anniversary celebrations! She features a sleeveless square neck, spaghetti straps that lace up in the back, a mermaid silhouette, and a stunning high front slit and long hem. The formal dress is composed of a glitter knit stretchy fabric. Complete the look with a gorgeous hair clip for a flawless style!
Fit & Features
- Sleeveless square neck
- Spaghetti straps, lace-up back
- Mermaid silhouette
- High front slit, long hem
- Glitter stretchy knit fabric
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7327
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Elizabeth Formal Satin Mermaid Dress
Special Occasion
The Elizabeth formal satin dress is red-carpet-worthy! She features a sleeveless v-neckline with dainty rhinestone trim, adjustable spaghetti straps for a customizable fit, a princess seam bodice, and a form-hugging mermaid silhouette that flares out into a floor-length hem. The formal dress is composed of silky smooth satin-lined fabric with minimal stretch. Complete your stunning look with a glamorous necklace and earrings set!
Fit & Features
- Sleeveless v-neckline with rhinestone trim
- Adjustable spaghetti straps
- Bra-friendly design
- Princess seam bodice, back zipper, and hook-eye closure
- Form-hugging, mermaid silhouette, floor-length hem
- Silky satin fabric, lined, minimal stretch
- Fits true to size
Style Number/Barcode: 05002-2667
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Kellie Strapless Ruffled Slit Lace Formal Dress
Special Occasion
A showstopping lace formal dress that exudes romance and modern elegance. Designed with a high strapless neckline, this long dress boasts a bodycon silhouette with flirty cascading ruffles and a sultry high-side slit. Complete the look with earrings and heels.
Unapologetically bold, this dress is all about confidence. Keep the luxe look going with our stunning strapless prom dresses or discover the perfect fit among our stylish wedding guest dresses.
Fit & Features
- Lace fabric lined with stretchy knit
- High strapless neckline, non-slip grip lining
- Side zipper and hook-eye closure
- High-side slit
- Bodycon silhouette
- Long-length hem
- Runs true to size
Style Number/Barcode: 05002-8961
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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Diana Formal Crepe Corset Slit Long Dress
Special Occasion
Make a stunning arrival in the Diana formal crepe long dress perfect for black tie parties and weddings! She features a flattering square neckline, wide shoulder straps, and a flexible boning corset bodice that perfectly snatches your figure along the slim silhouette, while her high-side slit and long-length hem provide a luxurious evening look. The formal dress is crafted from a sleek crepe fabric with a sewn-in knit lining. Complete the look with a clutch and heels!
Fit & Features
- Sleeveless square neckline, wide shoulder straps
- Flexible boning corset bodice
- Back zipper and hook-eye closure
- Slim silhouette, high side slit, long-length hem
- Crepe fabric, sewn-in knit lining, moderate stretch
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-7897
Category Name: Long Wedding Guest Dresses
Price: $24.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Lyanna Formal Velvet Mermaid Dress
Special OccasionGrace them with class as you capture their heart in our Lyanna dress! She features a chic black hue, a sleeveless bodice, a V neckline, princess seams and adjustable narrow straps. Her slim fit bodice features a narrow waist band accent and leads to a flaring mermaid silhouette to grace your every step. Dress is composed of a lined velvet fabric that offers a form hugging fit with a moderate stretch. Includes a back zipper closure.
Model is 5'9.5" with a 34" bust, 23.5" waist and 35.5" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6365
Category Name: Long Wedding Guest Dresses
Price: $25.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tina Sequin Floral Slit Formal Dress
Special Occasion
Romantic with a confident edge, the Tina sequined gown is made for moments that linger long after the night ends. A floral garden pattern, high slit, and mermaid floor length silhouette come together for a look that feels polished, striking, and effortlessly memorable.
Fit & Features
- Garden floral pattern, sequin-embellished
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- High front slit for movement
- Mermaid silhouette, floor-length hemline
- Runs true to size
Where to Wear:
Weddings, bridal celebrations, birthday dinners, milestone celebrations, black tie galas, formal dances, museum soirees, engagement parties, rehearsal dinners, seasonal soirees
Style Number/Barcode: 05002-001237
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Mia Halter Slit Mermaid Mesh Formal Dress
Special Occasion
The Mia mesh formal dress is a chic showstopper with alluring details that turn heads. Its plunge halter neckline, high front slit, and mermaid silhouette flaunts your figure in the most captivating fashion!
Fit & Features
- Mesh fabric, short sewn-in lining, moderate stretch
- Plunge halter neckline, metal insert, cutout accent
- Tie straps, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, sheer floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie soirees, engagement parties, anniversaries, fancy events
Style Number/Barcode: 05002-000097
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Jaleen Formal Sequin One Shoulder Dress
Special Occasion
The Jaleen formal dress is the essence of glimmering beauty! She features a sleeveless one-shoulder neckline with dual adjustable spaghetti straps for a customizable fit and a low-cut back. Her form-hugging slim silhouette offers a sultry show of leg thanks to her high-cut side slit along the long hem. The formal dress is composed of a sequin-scroll mesh-lined fabric with minimal stretch. Complete your dressy look with statement earrings for a banquet or wedding!
Fit & Features
- Sleeveless, one-shoulder neckline
- Dual adjustable spaghetti straps
- Strapless or adhesive bra recommended
- Back zipper and hook-eye closure
- Form-hugging, slim silhouette
- High-cut side slit, long length
- Sequin-scroll, mesh-lined fabric, minimal stretch, fits true to size
Style Number/Barcode: 05002-2577
Category Name: Long Wedding Guest Dresses
Price: $14.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Piper Ruched Open Back Gown
Special OccasionDazzle from every angle in our sleek, effortlessly chic pink jersey Piper gown! She features a rounded neckline with back tie at nape of neck, an open back, long sleeves, a long slim skirt, and ruching detail at sleeve hems, rear, and hips. Piper is partially lined, slips on, and she's made from a jersey material with a touch of stretch.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6779
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Ships Free
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Juliette Velvet Corset Rhinestone Formal Dress
Special Occasion
Sophistication meets sparkle in the Juliette formal dress. Designed in plush velvet that contours every curve, this strapless gown features a rhinestone-trimmed sweetheart neckline and corset bodice for sculpted allure. Finished with elegant pleating and a thigh-high slit, it’s made for the kind of night that calls for full-glam confidence.
Fit & Features
- Soft velvet fabric lined with stretch knit
- Strapless sweetheart neckline, rhinestone-embellished gems
- Padded bra cups
- Corset structured bodice, flexible boning, back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Formal galas, red-carpet events, holiday parties, glamorous winter formals, black-tie weddings, engagement dinners, birthday celebrations, fashion-forward soirees, romantic date nights, elegant receptions
Style Number/Barcode: 05002-000453
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free