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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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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Margie Halter A-Line Formal Dress
Special Occasion
Soft sheen and sculptural detail give the Margie gown its entrance-making appeal. The organza halter gown brings together a plunging neckline, gold-tone hardware, and a flowy A-line shape for a look that feels polished from every angle. It’s the kind of finish that makes the dress feel instantly special.
Fit & Features
- Sheen woven fabric with smooth woven lining
- Halter neckline with plunge front, adjustable straps
- Gold-tone hardware detail
- Open back design
- Flowy A-line silhouette, hidden side seam pockets
- Floor-length hem
- Runs true to size
Where to Wear:
Black tie weddings, galas, rehearsal dinners, engagement parties, formal birthdays, honeymoons, vacations, resort getaways, cocktail soirees, anniversaries, fashion-forward events
Style Number/Barcode: 05002-001066
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: OLIVE
Available Size: XXS, XS, S, M, L
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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Damaris Glitter Mermaid Formal Dress
Special Occasion
Sculpted through the body with a luminous finish. This one shoulder glitter mermaid formal dress follows the figure before flaring into a floor-length hem, while ruched draping at the hip adds shape and dimension. The result feels sleek, glamorous, and modern.
Fit & Features
- Glitter fabrication
- One shoulder neckline
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie occasions, red-carpet events, formal celebrations, cocktail soirees, anniversaries, fashion-forward events
Style Number/Barcode: 05002-001812
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
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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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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Elina Lace Corset Satin Mermaid Dress
Special Occasion
Sculpted romance meets sleek sophistication in the Elina formal dress, pairing a lace corset bodice with a luminous satin mermaid silhouette. A square neckline, lace-up back, and softly ruched waist create a stunning finish made for weddings, galas, and dressed-up date nights.
Fit & Features
- Sheer lace bodice, nude-tone knit lining
- Thin adjustable tank straps
- Sleeveless square neckline, corset-style bodice, padded bust, flexible boning
- Side zipper with hook-eye closure, open lace-up back
- High waist seam, pleated overlay
- Floor-length stretch satin mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, formal date nights, dressed-up dinners, galas, and chic soirees.
Style Number/Barcode: 05002-001763
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Flirty Drama Halter Ruffle Maxi Dress
This dress does all the flirting for you. The high stretch mesh hugs your shape while cascading ruffles and a partially open back bring the drama for weddings, vacations, and dressy plans.
Fit & Features
- Mesh fabric with knit lining, high stretch
- Sleeveless V-neckline
- Tie-back halter spaghetti straps, partially open back
- Ruffled front design
- Maxi-length hem
- Bodycon silhouette
- Runs true to size
Style Number/Barcode: 05101-001331
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: YELLOW
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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Vivan Open Back One Shoulder Mermaid Dress
Special Occasion
Drama found a cleaner silhouette. This one-shoulder mermaid dress keeps the shape sleek through the body before flowing into a floor-length hem and train. The open back gives it just enough edge to keep the look feeling current.
Fit & Features
- Smooth knit fabrication
- One-shoulder neckline, adjustable spaghetti strap
- Fitted through the bodice and hips
- Open back
- Mermaid hem with train
- Runs true to size
Where to Wear:
Weddings, garden parties, black-tie galas, formal celebrations, anniversaries, fancy brunches, baby showers, bridal showers, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-001801
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
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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: $69.90
Availability: In Stock
Available Color: PINK
Available Size: XS, S, M, L, XL
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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: $69.90
Availability: In Stock
Available Color: BROWN
Available Size: 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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Bianca Wrap-Front High Slit Formal Dress
Special Occasion
You came here to slay, and the stunning Bianca formal dress will deliver! This iconic long dress will create an alluring aura at your next fancy soiree. She features a sleeveless sweetheart neckline with a chic draped cowl overlay, a padded bust, spaghetti straps, flattering ruching at the waist, a wrap-front design on the floor-sweeping hem creating a sultry high-cut front slit, and a slim-fit silhouette. The foiled knit fabric will give off a glitzy metallic sheen. Complete your gorgeous glam look with rhinestone statement earrings and strappy heels.
Fit & Features
- Sleeveless sweetheart neckline, draped cowl overlay, padded bust
- Spaghetti straps, high waist seam, ruched detailing at the waist
- Wrap-front design, floor-sweeping hem, high-cut front slit
- Slim-fit silhouette
- Foiled knit fabric, knit lining at the bust, plenty of stretch
- No bra required
- Runs true to size
Style Number/Barcode: 05002-7640
Category Name: Long Wedding Guest Dresses
Price: $29.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Solene Satin Side Slit Mermaid Formal Dress
Special Occasion
The silhouette is sleek, but the slit knows how to make an entrance. This satin mermaid formal dress follows the figure before opening into a high side slit for a look that feels refined with just enough edge. The ruched detailing keeps the finish polished and sculpted.
Fit & Features
- Smooth satin fabrication
- Adjustable spaghetti straps with ruched bust
- Side ruching, back zipper and hook-eye closure
- High side slit
- Mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, bridesmaids, rehearsal dinners, engagement parties, formal parties, black-tie galas, balls, anniversaries, red-carpet events
Style Number/Barcode: 05002-001593
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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RSVP Required Cowl Neck Maxi Dress
This is the kind of dress that makes every head turn. Featuring a plunging cowl neckline, statement necklace detail, and an open-back silhouette, it's made for dinner dates, vacations, and every RSVP event.
Fit & Features
- Slinky knit fabric with stretch
- Plunge cowl halter neckline, included medallion necklace
- Open back design, center back hem slit
- Curve-hugging maxi silhouette
- Runs true to size
Style Number/Barcode: 05101-001213
Category Name: Long Wedding Guest Dresses
Price: $49.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L
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Christine Formal Rhinestone Mermaid Dress
Special Occasion
Defined by striking rhinestones, the elegant Christine formal dress is made for celebratory occasions! She features a sleeveless sweetheart neckline with a V-wired insert, spaghetti straps, and a floor-length mermaid silhouette that highlights your gorgeous curves! The formal dress is composed of a rhinestone embellished slinky knit fabric with a bust lining. Style with earrings and a statement ring set for a banquet dinner or wedding.
Fit & Features
- Sleeveless sweetheart neckline, V-wired insert
- Spaghetti straps, back zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Rhinestone-embellished
- Slinky knit fabric, bust lining, moderate stretch
- Strapless br or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7425
Category Name: Long Wedding Guest Dresses
Price: $39.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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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
- Ruched bodice
- Lace-up back
- 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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Ruffle Theory Ruched Strapless High Slit Maxi Dress
Consider this your lesson in layered detail. This strapless maxi dress pairs body-skimming ruching with tiered ruffles and a front slit for a look that feels dynamic and chic. Every layer adds a little more drama.
Fit & Features
- Woven fabric with lining
- Strapless neckline, ruffled trim
- Ruched bodice
- Drop waist seam
- Layered ruffled design
- High-cut front slit
- Midi-length flowy silhouette
- Runs true to size
Style Number/Barcode: 05101-001690
Category Name: Long Wedding Guest Dresses
Price: $56.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Sleek Intent Mesh Bodycon Maxi Dress
Sleek, sculpted, and doing the most in the right way. This high-stretch mesh bodycon maxi dress hugs the figure with a square neckline, adjustable spaghetti straps, and asymmetric ruching across the bust for a chic finish.
Fit & Features
- Mesh fabric with knit lining, high stretch
- Sleeveless square neckline
- Ruched asymmetric design at the bust
- Adjustable spaghetti straps
- Maxi-length hem
- Bodycon silhouette
- Runs true to size
Style Number/Barcode: 05101-001521
Category Name: Long Wedding Guest Dresses
Price: $46.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Taylor Formal Glitter Bustier Long Dress
Special Occasion
The glittery Taylor formal long dress is the perfect piece for making a statement on your special night! Crafted from luxurious glitter fabric, she features a sweetheart neckline, adjustable spaghetti straps, built-in padded underwire bust, side ruching, a high side slit, a slim curve-hugging silhouette for a chic and sultry look, and a long-length hem. Complete the look in sleek metallic heels for a black-tie party or event!
Fit & Features
- Sleeveless sweetheart neckline, adjustable spaghetti straps
- Back zipper and hook-eye closure
- Built-in padded underwire bust
- Side ruching, slim curve-hugging silhouette
- High side slit, long-length hem
- Glitter fabric, sewn-in knit lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-7785
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tana Metallic Strappy Back Mermaid Formal Dress
Special Occasion
Built for the spotlight, the Tana formal dress shimmers with every step in a metallic knit that drapes effortlessly over your curves. With its strappy tie back and mermaid fit, this floor-length gown is the definition of sleek, evening elegance—made for the moments that deserve a little extra sparkle.
Fit & Features
- Metallic knit stretchy fabric
- V-neckline
- Spaghetti straps
- Strappy tie-back design
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, galas, black-tie events, red-carpet occasions, formal celebrations, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000226
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Chic Silhouette A-Line Maxi Dress
Consider this your reason to say yes to the plans. This cowl neck A-line maxi dress drapes effortlessly with a ruched drop waist, open back, and high-cut front slit for a look that feels fluid, flattering, and just daring enough.
Fit & Features
- Woven fabric
- Sleeveless cowl neckline
- Tie-back halter straps, open back, lower tie-back straps
- Ruched drop waist design
- High-cut front slit
- Maxi-length A-line silhouette
- Runs true to size
Style Number/Barcode: 05101-001488
Category Name: Long Wedding Guest Dresses
Price: $52.90
Availability: In Stock
Available Color: BROWN
Available Size: XS, S, M, L