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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Aimee Strappy Back Mesh Trim Mermaid Formal Dress
Special Occasion
From the curve-hugging mermaid silhouette to the sheer mesh trim, the Aimee formal dress beautifully showcases your figure! Make a statement in this stunning dress featuring an alluring strappy back design and elegant floor-length hem that creates a chic flair.
Fit & Features
- Satin fabric
- V-neckline, mesh trim underbust and back trim
- Strappy back, spaghetti straps
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie parties and events, galas, fancy milestone celebrations, nights at the theatre
Style Number/Barcode: 05002-000067
Category Name: Long Wedding Guest Dresses
Price: $39.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Glam Life Mini Dress
Live your best glam life in this stunning LBD! The bodycon mini dress features a one shoulder neckline with ruffle detailing with a short sleeve, a slim fit bodice, and a short, curve hugging fit. The dress is composed of a crepe fabric that offers moderate stretch.Model is 5'7" with a 34" bust, 24" waist and 36" hips. She is wearing a size small.
Style Number/Barcode: 05101-0163
Category Name: Long Wedding Guest Dresses
Price: $17.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Stylish Stunner Maxi Dress
Look at you stylish stunner! This berry hued maxi dress was made for you! It features a sleeveless bodice, tank-like shoulder straps, a deep V neckline and back, a high elastic banded waist with side cut out details, and a flowy, maxi length. The dress is composed of a linen fabric with no stretch.Model is 5'9" with a 32" bust, 24" waist and 34" hips. She is wearing a size small.
Style Number/Barcode: 05102-3655
Category Name: Long Wedding Guest Dresses
Price: $19.97 $48.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Sohni Satin Rhinestone Trim Mermaid Formal Dress
Special Occasion
Polished with just the right touch of shine, the Sohni gown is made for evenings that call for elevated glamour. Crafted from satin, its rhinestone trim bust and straps, high front slit, and mermaid silhouette create a look that feels refined, confident, and unforgettable.
Fit & Features
- Smooth satin fabric with stretch
- Rhinestone trim along the padded bust and straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- High front slit for movement
- Floor length hem
- Runs true to size
Where to Wear:
Black-tie weddings, galas, prom, milestone celebrations, big birthday events, red-carpet occasions, award dinners, formal receptions
Style Number/Barcode: 05002-001522
Category Name: Long Wedding Guest Dresses
Price: $99.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Jailei Floral Satin Lace-Up Formal Dress
Special Occasion
Like a garden in full bloom captured in motion, the Jailei satin mermaid gown brings an effortlessly romantic feel to every special occasion. The sweeping floral print, twist front neckline, and lace-up open back create a striking silhouette that feels polished, feminine, and impossible to forget.
Fit & Features
- Tropical floral print, premium satin fabric, woven lining
- V-neckline, padded bra cups
- Open lace-up back, zipper and hook-eye closure
- Column floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, garden parties, bridal showers, vacations, honeymoons, winery weekends, engagement celebrations, formal celebrations, cocktail soirees
Style Number/Barcode: 05002-001667
Category Name: Long Wedding Guest Dresses
Price: $19.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Sarina Crew Neck Illusion Side Formal Dress
Special Occasion
This long dress makes its statement through one striking detail. The crew neckline keeps the silhouette clean and sophisticated, while the sheer illusion side panel adds a modern edge that sets the design apart. The result is formal, distinctive, and confidently chic.
Fit & Features
- Lined knit fabric with high stretch
- Sleeveless crew neckline
- Keyhole back cutout with button closure
- Sheer illusion mesh side panel
- High side slit
- Long-length column silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, cocktail parties, formal celebrations, anniversaries, fashion-forward events, rehearsal dinners, engagement parties, elegant birthday dinners
Style Number/Barcode: 05002-001906
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Marissa Embroidered Rose Velvet Dress
Special Occasion
Keep it charming and lovely with enchanting roses! Our Marissa dress features a plunging sweetheart neckline, padded cups, boning at the sides for structure and a gel no slip-slip strip. Her bodice features an embroidered rose design with a metallic trim and sparkling heat stones. Her velvet skirt features a slim fit with a bold high slit to bring the drama! Marissa is composed of a mesh bodice and velvet fabric that offers a form hugging fit with a moderate stretch. Dress is fully lined and includes a back zipper closure with hook and eye clasp.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05005-0000
Category Name: Long Wedding Guest Dresses
Price: $74.97 $209.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Spring With Florals Maxi Dress
Step out this season in pretty florals to make a charming impression! The ivory maxi dress features an off the shoulder neckline with the off the shoulder strap accents, a straight bust, a cinching tie waist belt and maxi length silhouette with a high side slit. The back features a lower back keyhole. The all over floral print features pink hues. Dress is composed of a lightweight woven fabric that offers a form hugging fit with minimal stretch. Includes an additional mini skirt length lining.Model is 5'9" with a 34" bust, 24" waist and 34.5" hips. She is wearing a size small
Style Number/Barcode: 05101-8699
Category Name: Long Wedding Guest Dresses
Price: $19.97 $48.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Dayna Corset Floral Embroidery Satin Formal Dress
Special Occasion
Beautifully crafted with beading, sequins, and floral embroidery, the Dayna satin formal dress is a dream for prom or black tie celebrations! Adorned with a delicate embroidered sheer corset bodice, this gown is designed for the modern-day goddess. The mermaid silhouette, high front slit, and floor-length hem add a touch of drama, while the satin fabric drapes beautifully over the body. With a V-neckline, strappy open back, and padded bra cups for support, this dress is both stylish and functional. Complete the look with a gorgeous hair accessory for a stunning updo and a clutch!
Fit & Features
- Satin fabric lined with stretchy knit
- Floral, sequins, beaded embroidery
- Padded bra cups, flexible boning
- Strappy open back, zipper and hook-eye closure
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05005-0130
Category Name: Long Wedding Guest Dresses
Price: $14.97 $229.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Cosima Plunge V Ruched Mermaid Formal Dress
Special Occasion
Ruched detailing gives this mermaid dress a sleek, sculpted finish. The plunging V neckline and halter tie frame the fitted silhouette, while the open twist back adds a striking contrast. It’s an elegant choice for a wedding guest.
Fit & Features
- Smooth lined knit fabric
- Plunging V neckline
- Halter neck tie
- Ruched bodice and waist detailing
- Open back with twisted strap detail
- Fitted mermaid silhouette with floor-length hem
- Runs true to size
Where to Wear:
HOCO, Prom, formal events, black-tie and galas, and wedding guest.
Style Number/Barcode: 05002-002211
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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Kennedy Sequin Gown
Special Occasion
Introducing our beautiful and elegant Kennedy gown, She has a form fitting silhouette that is floor length. She has a v neckline, padded cups and adjustable spaghetti straps that lead to a low V back and zipper closure. She is fully lined and showcases a beautiful scroll sequin pattern. Her hem flows out in a mermaid style fashion. Just beautiful!
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: 05002-0200
Category Name: Long Wedding Guest Dresses
Price: $36.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Annika Open Back Mermaid Formal Dress
Special Occasion
The silhouette is sleek, but the details know how to flirt. A halter neckline and mermaid shape give this formal dress a clean, current feel, while the open back adds the sultry finish. It’s the kind of look that makes understated feel anything but basic.
Fit & Features
- Smooth lined knit fabric with stretch
- Halter neckline with tie straps
- Front keyhole cutout
- Open back
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinner, formal celebrations, black-tie galas, red-carpet events
Style Number/Barcode: 05002-001786
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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Mariska Tie Back Mermaid Formal Dress
Special Occasion
This mermaid dress pairs a sleek, curve-defining shape with timeless sophistication. The fitted bodice highlights the waist and hips before opening into a fluid floor-length hem, balanced by an off-the-shoulder neckline and statement tie-back bow. The result is graceful, chic, and effortlessly formal.
Fit & Features
- Chiffon/smooth knit fabric, knit lining
- Off-the-shoulder neckline, padded bra cups
- Back zipper and hook-eye closure
- Chiffon foldover bust detail with tie-back design
- Mermaid silhouette with floor-length hem
- Runs true to size
Where to Wear:
Weddings, bridesmaids, black-tie galas, balls, formal celebrations, anniversaries, rehearsal dinners, engagement parties, upscale birthday dinners, red-carpet events
Style Number/Barcode: 05002-001932
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Maizie Sleeveless Slit A-Line Glitter Formal Dress
Special Occasion
A sleeveless formal dress features a sleek square neckline, spaghetti straps, and an A-line floor-length silhouette showcasing a sultry front slit. The glitter knit fabric offers plenty of stretch for comfort.
Fit & Features
- Glitter knit fabric, moderate stretch
- Square neckline
- Spaghetti straps
- Front slit
- A-line floor-length silhouette
- Runs true to size
Style Number/Barcode: 05002-8611
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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Colette Satin Wrap Gown
Special OccasionSteal the show while making moves in our effortlessly elegant, satin Colette gown. She features a pleated deep V bodice with adjustable spaghetti straps and back zip, and a long, slim wrap-effect skirt skirt with a front slit and drape detail at waist. Louisa is fully lined and made from a shiny satin material with ample stretch.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6765
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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Celestine Open Back Mermaid Formal Dress
Special Occasion
A little mystery in the front, a striking reveal in the back. The crew neckline and long sleeves create a beautifully refined contrast to the figure-hugging shape, while the open back adds an unexpected touch of allure.
Fit & Features
- Smooth knit stretchy fabric
- Crew neckline
- Fitted long sleeves
- Open tie-back detail
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, black-tie galas, balls, red-carpet occasions, rehearsal dinners, formal celebrations, anniversaries, cocktail parties
Style Number/Barcode: 05002-001964
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Amina Chiffon Leopard Formal Dress
Special Occasion
The Amina printed mermaid gown brings effortless allure with a sleek, sculpted fit. The square neckline, strappy open back, and lace-up detail give the silhouette a modern edge that feels equal parts sultry and polished.
Fit & Features
- Leopard print, chiffon-woven fabric, knit lining
- Square neckline
- Spaghetti straps
- Tie-back design
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Wedding guests, galas, formal milestone parties, rehearsal dinners, anniversaries, vacations, honeymoons, destination celebrations, birthday dinners, cocktail parties
Style Number/Barcode: 05002-000665
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L, XL
Product Badge:- Sale
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Yarelis Formal Glitter Strappy Back Long Dress
Special Occasion
Introducing the Yarelis formal long dress, a glamorous dress that captures the evening enchantment and flattering style you desire. She features an alluring square neckline and strappy back detail ensuring all eyes are on you. The foil glitter fabric, slim silhouette, high side slit, and long hem make this dress radiant and perfect for any black tie occasion! Complete the look in block heels and earrings.
Fit & Features
- Sleeveless square neckline
- Bungee spaghetti straps, open strappy back
- Slim silhouette, high side slit, long-length hem
- Foil glitter knit fabric, moderate stretch
- Pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7746
Category Name: Long Wedding Guest Dresses
Price: $14.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Aliyah Formal Sleeveless Bandage Dress
Special OccasionShowcase curves in our flattering Aliyah black dress! She features a sleeveless bodice, a plunging V neckline, padded cups and wide shoulder straps that lead to a racer back. Her back features a sheer unlined mesh caged design with wide contrasting straps. Her slim fit bodice leads to a curve hugging mermaid silhouette. Dress is composed of a lined ponte-like fabric that offers a moderate stretch.
Model is 5'9" with a 34" bust, 24" waist and 34.5" hips. She is wearing a size smallSpecial Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-6535
Category Name: Long Wedding Guest Dresses
Price: $21.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Izzy Satin Beaded Mermaid Formal Dress
Special Occasion
The beaded T-back trim gives this mermaid dress its standout finish. This satin bead mermaid dress pairs a V-neckline with spaghetti straps, an open back, and a smooth satin-like finish for sleek dimension. The floor-length mermaid silhouette keeps the look polished and defined.
Fit & Features
- Stretch satin fabric, knit lining
- V-neckline, spaghetti straps
- Beaded T-back detachable straps, open-back design
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, vacations, honeymoons, destination celebrations, cocktail parties, birthday dinners, anniversaries, yacht parties, resort getaways, formal events
Style Number/Barcode: 05002-001728
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L, XL
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Victoria Formal Glitter Off Shoulder Dress
Special Occasion
You'll be a vision in the Victoria formal glitter dress as a wedding guest or banquet dinner! She shines in an alluring off-shoulder neckline with a short-sleeve cuff, a foldover bust design, a mermaid silhouette, and a sultry high-front slit and floor-length hem. The formal dress is composed of a stretchy glitter knit fabric. Complete the look with platform heels.
Fit & Features
- Off-shoulder neckline, short-sleeve cuff
- Foldover bust
- Mermaid silhouette
- High-front slit, floor-length hem
- Glitter knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7149
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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Maelle Lace Up Ruched Mesh Formal Dress
Special Occasion
This long dress stands out through sheer texture, sculpted ruching, and a lace-up back that brings the drama. A sweetheart neckline and front slit keep the silhouette striking from every angle. It feels sultry, trend-forward, and intentionally daring.
Fit & Features
- Lined mesh fabric
- Sweetheart neckline, satin built-in underwire padded bra insert
- Adjustable spaghetti straps
- Slim long silhouette, corset bodice with boning
- Front slit
- Lace-up back, zipper and hook-eye closure
- Runs true to size
Where to Wear:
Weddings, black-tie events, cocktail parties, birthday dinners, date nights, rehearsal dinners, engagement parties
Style Number/Barcode: 05002-001697
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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Edith One Shoulder Mermaid Satin Formal Dress
Special Occasion
Embrace effortless elegance with the Edith satin formal dress! Designed with a chic one-shoulder neckline and elegantly twisted straps, this gown contours your figure with a flattering mermaid silhouette and high side slit for allure.
Fit & Features
- Silky satin fabric
- One-shoulder neckline, twisted straps
- High side slit
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas and parties, glamorous soirees, fancy date nights, formal events
Style Number/Barcode: 05002-000056
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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Marlena Knotted Sash Mermaid Formal Dress
Special Occasion
A beautifully draped silhouette makes a statement without needing to say much. The open-back detailing follows the silhouette of this long dress, creating soft definition, while the knotted back sash adds an unexpected twist. It feels sleek, sophisticated, and subtly sultry.
Fit & Features
- Smooth, lined knit fabric, high stretch
- Sleeveless cowl neckline
- Back hook-clasp fastener
- Open back with cascading knotted sash
- Mermaid ruched silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, balls, black-tie events, galas, rehearsal dinners, formal celebrations, cocktail parties, fashion-forward events
Style Number/Barcode: 05002-002044
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: BROWN, NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free