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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Aden Cutout Back Mermaid Formal Dress
Special Occasion
For the kind of night that calls for a jaw-dropping entrance, The Aden formal dress brings sleek drama in sculpting stretch knit. The sweetheart mermaid silhouette flatters from every angle, designed to move with you from first toast to final dance.
Fit & Features
- Smooth knit fabric
- Sweetheart neckline, wide shoulder straps
- Cutout back design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, date night, black tie galas, upscale birthday events, red carpet occasions, formal dances, charity dinners, award shows
Style Number/Barcode: 05002-000074
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Giana Formal High Slit Beaded Dress
Special OccasionGo bold with a beaded look to make a stunning statement! Giana features a combination navy with beige hue, a sleeveless bodice, a plunging V neckline with padded cups and adjustable narrow straps. Her bodice features a gorgeous beaded design adorned with gemstones and pearl accents. Her floor length silhouette features a high slit. Dress is composed of a lined crepe and mesh fabric that offers a form hugging fit with slight stretch. Includes a back zipper closure.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6326
Category Name: Long Wedding Guest Dresses
Price: $19.97 $126.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Quinn Floral Cap Sleeve Formal Dress
Special Occasion
The floral flocked finish gives this formal dress a rich, textured look with just the right amount of drama. Cap sleeves and a sweetheart neckline keep the shape refined, while the lace up back adds an unexpected detail. The result feels elevated, feminine, and made to leave an impression.
Fit & Features
- Flocked floral velvet pattern, lined knit fabric
- Sweetheart neckline, padded bra cups, cap sleeves
- Lace-up back, zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie galas, balls, rehearsal dinners, engagement parties, special date nights, cocktail soirees, red-carpet events
Style Number/Barcode: 05002-001827
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK, PURPLE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Shandra Strapless Lace-Up Satin Formal Dress
Special Occasion
Cut from smooth satin fabric, the Shandra formal dress accentuates your curves with a form-hugging silhouette while adding a head-turning appeal with its lace-up back and high side slit.
Fit & Features
- Stretch satin fabric, bust knit lining
- Strapless pleated neckline
- Lace-up back
- Flexible boning inserts
- High side slit
- Form-hugging silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, engagement parties, rehearsal dinners, galas, black tie parties
Style Number/Barcode: 05002-000037
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Selena V-Neck Cowl Back Mermaid Formal Dress
Special Occasion
Waltz with beloved elegance in the Selena mermaid formal dress - a stunning style for bridesmaids, wedding guests, or banquets! With adjustable spaghetti straps and a chic V-neckline, this floor-length dress is perfect for your next formal event. The smooth knit fabric drapes elegantly into a mermaid silhouette, while the low cowl back adds a touch of sultriness. Complete the look with dainty earrings, a necklace, and block heels.
Fit & Features
- Smooth knit fabric lined with stretchy knit
- Adjustable spaghetti straps
- V-neckline
- Back zipper and hook-eye closure
- Low cowl back draping
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8335
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Sale
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Rita Woven Satin Embellished Ball Gown
Special Occasion
Enchant in the perfect prom dress that will make your night one to remember! The dress features a sleeveless sweetheart neckline, padded cups with flexible boning, spaghetti straps that lead to a cross-back design, and a lace-up back design. Her empire waist leads to a voluminous ball gown skirt with hidden side pockets that are accented with gemstone embellishments. The dress is composed of a woven satin fabric that offers a form hugging fit with minimal stretch. Complete your prom outfit with rhinestone shoes and a rhinestone clutch.
Fit & Features
- Sleeveless sweetheart neckline
- Padded cups, flexible boning
- Spaghetti straps, lace-up back
- Empire waist
- Hidden side pockets, gemstone embellishments
- Lined woven satin fabric, mesh petticoat
- Form hugging fit, minimal stretch, runs true to size
Style Number/Barcode: 05004-0154
Category Name: Long Wedding Guest Dresses
Price: $29.97 $199.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Talia Formal Sequin Long Dress
Special OccasionYou were born to shine, dazzle them all in our shimmering Talia dress! She features a burgundy hue, an off the shoulder neckline with shoulder strap accents, a built in no slip strip, padded cups and a sweetheart bust. Her slim fit bodice leads to a curve hugging mermaid silhouette. Her sequins are set in a sophisticated scroll print pattern. Dress is composed of a lined mesh fabric that offers minimal stretch. Includes a back zipper closure.
Model is 5'9" with a 32" bust, 23" waist and 34.5" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6594
Category Name: Long Wedding Guest Dresses
Price: $29.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Nala Formal Ruched Strappy Back Mermaid Dress
Special Occasion
Make a bold statement in the elegant Nala formal long dress for banquets or cocktail parties! Constructed from a luxurious all-over ruched knit fabric, she boasts a sleeveless design, a V-neckline, and bungee spaghetti straps that extend to a striking open strappy back. The mermaid silhouette accentuates your natural curves as it flows to the floor-length hem, making it perfect for any formal event. Complete the look with teardrop earrings and rings.
Fit & Features
- Sleeveless V-neckline
- Bungee spaghetti straps
- Open strappy back design
- Mermaid silhouette, floor-length hem
- All-over ruched knit fabric, stretchy knit lining
- Pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7782
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Dena High Slit Satin Formal Dress
Radiate a classic elegant vibe in our stunning satin Dena dress. She features a sleeveless bodice, adjustable spaghetti straps, a trendy square neck, an open back leading to ruched detailing, a high waist seam, a sultry thigh high front slit, and a floor length, curve hugging fit. The dress is composed of a satin-like fabric with moderate 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: 05002-0282
Category Name: Long Wedding Guest Dresses
Price: $19.97 $42.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kehlani Taffeta A-Line Dress
There's something oh-so-glamorous about the Kehlani dress. This classic dress features a fully lined, scalloped lace bodice with a plunging neckline and A-line waist. It also includes a long taffeta skirt that falls elegantly. Pair with your most alluring drop earrings and encrusted clutch for a glitzy evening look.
Model is 5'9" with 32" bust, 24" waist and 34.5" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6762
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Danielle Floral Strapless Mermaid Formal Dress
Special Occasion
Turn every entrance into a slow-motion moment with the Romantic Danielle formal dress, where bold floral print meets a curve-hugging mermaid silhouette that guarantees all eyes on you!
Fit & Features
- Mesh fabric with all-over floral print, stretchy knit lining
- Strapless neckline with subtle draping
- Back zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, summer galas, black tie parties, fancy date nights, upscale celebrations, garden party soirees, cocktail events
Style Number/Barcode: 05002-000042
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kaleigh Satin Strapless Formal Dress
Special Occasion
Designed for your entrance and your exit, the Kaleigh formal dress skims your curves with a form-hugging silhouette and an effortlessly sultry high side slit for effortless movement.
Fit & Features
- Stretch satin fabric, bust knit lining
- Strapless neckline, padded bra cups
- Back zipper hook-eye closure
- High side slit
- Form-hugging silhouette
- Long-length hem
- Runs true to size
Where to Wear:
Weddings, galas, engagement parties, rehearsal dinners, milestone celebrations, black tie soirees, anniversaries
Style Number/Barcode: 05002-000173
Category Name: Long Wedding Guest Dresses
Price: $19.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Blossom Formal Halter Mermaid Dress
Special Occasion
Make a dazzling impression in a long mermaid dress that features a halter neckline with a sweetheart bust, sheer ruched cap sleeves, ruching throughout to enhance curves, and a high-side slit. Complete formal outfit with rhinestone heels.
Fit & Features
- Lined mesh fabrication
- Halter neckline, sweetheart bust
- Sheer ruched cap sleeves
- Ruched silhouette
- High side slit
- Mermaid silhouette
- Long length hem
- Runs true to size
Style Number/Barcode: 05002-8964
Category Name: Long Wedding Guest Dresses
Price: $59.90
Availability: Out of Stock
Product Badge:- Sale
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Nia Beaded Ombre Mesh High Slit Formal Dress
Special Occasion
Create the dreamiest vibe for your next fancy affair in the Nia beaded ombre mesh formal dress! Crafted with a sheer mesh fabric lined with knit, she features a stunning ombre design and all-over beaded and sequin embellishments for a gorgeous look. Her bodice is shaped with a sleeveless cowl neckline, adjustable spaghetti straps, and tie-back halter spaghetti straps. Her lower back cutout adds a hint of allure, while her high-cut side slit will showcase some leg. Her slim-fit silhouette will flaunt your beautiful curves. Complete the look with metallic heels.
Fit & Features
- Sheer mesh fabric lined with knit, ombre design
- Beaded and sequin embellishments
- Cowl neckline, dual spaghetti straps, tie-back halter
- Lower back cutout
- High side slit
- Slim-fit silhouette
- Runs true to size
Style Number/Barcode: 05002-8459
Category Name: Long Wedding Guest Dresses
Price: $9.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Floral Desire Ruffled Maxi Dress
Get that desired charming look with a maxi dress! The dress features a sleeveless sweetheart neckline, tie shoulder straps, a floral print, and a maxi-length silhouette with tiered ruffles. The dress is composed of a lined chiffon fabric that offers a relaxed fit with minimal stretch. Complete look with mules.
Fit & Features
- Sleeveless sweetheart neckline
- Tie shoulder straps
- Tiered ruffles
- Floral print
- Maxi length silhouette
- Lined chiffon fabric
- Relaxed fit, minimal stretch, runs true to size
Style Number/Barcode: 05101-1040
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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Jessica Glitter Knit Mermaid Dress
Special Occasion
Make a gorgeous and glitzy entrance at your next formal soiree in the stunning Jessica glitter knit mermaid dress. She features a sleeveless square neckline, bungee spaghetti straps that lead to an open back with a lace-up strappy design, a high waist seam, and a floor-length fitted mermaid silhouette. Style this dress with sparkling rhinestone earrings to add all the more glamour to your look.
Fit & Features
- Sleeveless square neckline
- Bungee spaghetti straps
- Open back, cross-back, lace-up strappy design, tie closure
- High waist seam
- Floor-length fitted mermaid silhouette
- Glitter knit fabric, moderate stretch
- Runs true to size
The saturation of glitter varies. Glitter may transfer.
Style Number/Barcode: 05002-1201
Category Name: Long Wedding Guest Dresses
Price: $14.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Quinn Cross Back Satin Wrap Dress
Special Occasion
Stand out in satin in our luxurious Quinn!
Fits & Features
- Spaghetti Straps Lace-Up & Cross At Back
- Back Zipper With Hook & Eye Closure
- Square Neckline I Padded Bust
- Floor Length Hem I Wrap Skirt
- Stretch Satin Fabric
- Curve Hugging Fit
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: 05002-0446
Category Name: Long Wedding Guest Dresses
Price: $27.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aileen Floral Velvet Burnout Mermaid Dress
Special Occasion
Texture takes center stage in the Aileen floral velvet burnout mermaid dress, designed to skim the figure with an effortlessly polished allure. Delicate spaghetti straps, flattering ruching, and a lace-up back add a romantic finish to the floor-length silhouette.
Fit & Features
- Mesh fabric with knit lining, high stretch
- Floral velvet burnout pattern
- Sleeveless scoop neckline, adjustable spaghetti straps
- Open lace-up back design, lower back zipper with hook-eye closure
- Ruched detailing
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, receptions, rehearsal dinners, formal birthdays, black-tie parties, galas, dressed-up dinners, and anniversaries.
Style Number/Barcode: 05002-001770
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Francine Formal Satin Bustier Mermaid Dress
Special Occasion
Be exceptionally elegant in the timeless Francine formal satin long dress at black-tie soirees! Crafted from a silky satin-knit fabric, she features a sleeveless sweetheart neckline with a padded and structured bust, a bustier bodice to snatch your waist, adjustable spaghetti straps, and a curve-hugging mermaid silhouette with a floor-sweeping hem for a dramatic flair. Complete the look with rhinestone earrings.
Fit & Features
- Sleeveless sweetheart neckline, padded bust, structured underwire
- Bustier bodice, flexible boning inserts, adjustable spaghetti straps
- Back zipper, hook and eye closure
- Mermaid silhouette, floor-length hem
- Silky satin-knit fabric, knit lining at the bust, moderate stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7671
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Arianna Formal Beaded Sleeveless Dress
Special Occasion
Reflect vintage glamour in our captivating Arianna dress! Her hand-beaded detailed pattern makes her a true one of a kind! Pair her with dazzling pumps and chandelier earrings to channel a gorgeous look!
Fit & Features
- V-Neckline | Padded Cups
- Spaghetti Straps
- Baroque-Inspired Hand Beaded Pattern
- Lined Mesh Fabric
- Sheer Godet Panels
- Relaxed Fit
- Minimal Stretch
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-1013
Category Name: Long Wedding Guest Dresses
Price: $14.97 $199.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Brianna Chiffon A-Line Dress
Make bold moves in our classically beautiful Brianna A-line dress! She features a sleeveless bodice, a deep V neckline with a wrap front with pleated details, adjustable spaghetti straps that lead to a cross back and a lower back lace up detail with a tie closure, a back zipper and hook and eye closure, a high waist seam, and a flowy A-line skirt with a thigh-high front slit. The gorgeous dress is composed of a sheer chiffon fabric with a full knit lining.
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: 05002-0212
Category Name: Long Wedding Guest Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Avery Satin Ball Gown
Special Occasion
Introducing our Satin Avery Gown! She features a sleeveless bodice, a V neckline paired with spaghetti straps leading to a V back, and an eye catching sheer mesh inset. Her bodice features flattering princess seams throughout to provide structure. Her waist leads to a playfully pleated ball gown skirt with hidden side pockets and a wide banded hemline. She is composed of a satin fabric that offers a flowy fit with moderate stretch. Includes mini skirt knit lining and back zipper closure.
Model is 5'9" with a 34" bust, 24" waist and 35.5" hips. She is wearing a size small.Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0195
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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Carrie Two Piece Heat Stone Dress
Special OccasionBring the heat in our fiercely bold Carrie two piece dress! Her crop top features a square neckline with halter neck tie straps, a racer bust, an open back with a multi strap accents and an all over heat stone with rhinestone embellishments. Her matching skirt features a high rise waist, a back slit accent, a mermaid silhouette with a high slit accent and a built in cheeky bottom lining. Dress is composed of a partially lined mesh fabric that offers a form hugging fit with a moderate stretch. Skirt includes a side zipper closure.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05006-0484
Category Name: Long Wedding Guest Dresses
Price: $37.44 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Fleur Floral Chiffon Dress
Special OccasionKeep the romantic florals going in our navy blue Fleur chiffon dress. She features a plunging V neckline, a plunging V back that leads to a hidden zipper closure, a high waist seam with a tie back belt, and a wrap bodice. Long, floor-length skirt offers a flowy fit and includes a short skirt lining. Dress is composed of a semi-sheer floral chiffon fabric with no 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: 05002-6767
Category Name: Long Wedding Guest Dresses
Price: $29.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance