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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Life's A Breeze Floral Cutout Midi Dress
This floral cutout midi dress makes getting ready a breeze! It features short puff sleeves and a ruched sweetheart bodice with a flirty waist cutout that leads to a flowy, midi-length silhouette with a slit accent. Composed of a chiffon-lined fabric with no stretch. Style with a trendy mini tote.
Fit & Features
- Short puff sleeves
- Ruched sweetheart bust
- Waist cutout, smocked back
- Midi-length silhouette with slit accent
- Floral pattern
- Chiffon fabric, inner lining, no stretch
- Runs true to size
Style Number/Barcode: 05101-1551
Category Name: Long Wedding Guest Dresses
Price: $9.97 $52.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Marianna High Slit Floral Dress
Special Occasion
Showcase your passion for florals with a formal dress that is perfect for bridal showers and engagement shoots! Marianna features a sleeveless square neckline, spaghetti straps that cross at the back, a floral print, and a high slit with ruffled trim. Complete look with sandals.
Fit & Features
- Sleeveless square neckline
- Spaghetti straps, cross at back
- Floral print
- High slit, ruffled trim
- Maxi length silhouette
- Form hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1374
Category Name: Long Wedding Guest Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Simone Strapless Mermaid Formal Dress
Special Occasion
Sleek and sculpted, the Simone strapless mermaid gown is designed for a striking, statuesque entrance. The sweetheart neckline and softly draped sash detail contour the silhouette, creating an effortlessly refined look that feels equal parts modern and timeless.
Fit & Features
- Slinky knit stretchy fabric, knit lining
- Strapless sweetheart neckline, padded bra cups
- Front knotted sash
- Mermaid floor-length hem
- Runs true to size
Where to Wear:
Wedding guests, bridesmaids, prom, galas, black tie events, engagement parties, rehearsal dinners, upscale birthdays, vacations, anniversaries, formal milestone celebrations
Style Number/Barcode: 05002-001717
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS
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Ariel Velvet Slit Mermaid Formal Dress
Special Occasion
Opulent and unforgettable, the Ariel velvet gown drapes the figure with a liquid-like finish, featuring a sweetheart neckline and daring thigh slit. Finished with delicate straps and a floor-sweeping hem, it’s a timeless look that guarantees a showstopping entrance.
Fit & Features
- Velvet fabric
- Adjustable spaghetti straps
- V-neckline
- High side slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, upscale birthday events, milestone celebrations, holiday soirees, military ball, anniversary party
Style Number/Barcode: 05002-000209
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Shondra Sweetheart Applique Satin Mermaid Dress
Special Occasion
Indulge in the opulent Shondra mermaid satin formal dress for an evening of elegance! The formal dress has a pretty beaded applique neckline for a romantic allure while the floor-length hem adds dramatic flair.
With a smooth, luminous finish, this dress was made to shine. Keep the luxe look going with breathtaking satin prom dresses or go for a sophisticated statement with our wedding guest dresses.
Fit & Features
- Stretch satin fabric with knit lining
- Sweetheart neckline with beaded embroidered applique trim, padded bust
- Pleated cowl neck overlay
- Adjustable spaghetti straps, ruched back zipper with hook-eye closure
- Ruched detailing
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, black-tie parties, galas, and weddings.
Style Number/Barcode: 05002-9027
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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Sonia Mesh Bead Cutout Slit Formal Dress
Special Occasion
The Sonia gown is designed for the kind of entrance that turns heads before you even say hello. This mesh mermaid dress features tank straps, a sculpted silhouette, and a dramatic open strappy back, while the front slit adds just the right amount of movement for every step across the room.
Fit & Features
- Sculpting mesh fabric with beaded embellishments, lined
- Sweetheart neckline, tank shoulder straps
- Mermaid silhouette
- Open strappy back with adjustable closure, lower zipper and hook-eye closure
- High front slit
- Runs true to size
Where to Wear:
Prom, weddings, galas, formal celebrations, red carpet events, engagement parties, rehearsal dinners, cocktail soirees
Style Number/Barcode: 05002-001085
Category Name: Long Wedding Guest Dresses
Price: $159.90
Availability: Out of Stock
Product Badge:- Ships Free
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Anisa Sleeveless Floral Velvet Mermaid Dress
Special Occasion
Make a striking impression in a long velvet dress that features a sleeveless cowl neckline, adjustable spaghetti straps for a customized fit, an embossed floral pattern, a high-side slit, and a mermaid silhouette. Complete your wedding guest outfit with chandelier earrings.
Fit & Features
- Embossed floral pattern, velvet fabric, stretchy knit lining
- Sleeveless cowl neckline
- Padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- High side slit
- Long hem length, mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8740
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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Halsey Formal Glitter Ruffled Mermaid Dress
Special Occasion
Light up the night in the Halsey glitter formal dress to make your sparkling entrance at galas, black-tie weddings, and banquets. She features an off-the-shoulder neckline with a layered ruffled trim, a figure-flattering mermaid silhouette, and a floor-length hem. The formal dress is composed of a stretchy glitter knit fabric with a bust lining. Complete the look with a clutch and earrings.
This dress is all about movement and flair. Want more standout designs? Discover our eye-catching ruffle prom dresses or embrace an elevated style with our guest dresses.
Fit & Features
- Off-the-shoulder neckline
- Layered ruffled trim, bust lining
- Mermaid silhouette
- Floor-length hem
- Glitter knit fabric, moderate stretch
- Strapless bra, sticky bra, or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7179
Category Name: Long Wedding Guest Dresses
Price: $39.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Elara Formal Velvet Rhinestone Strap Long Dress
Special Occasion
Make a statement in this show-stopping Elara formal velvet dress! She features a sleeveless surplice V-neckline, dazzling rhinestone-embellished spaghetti straps, a curve-hugging slim silhouette with a side pleated seam, and an asymmetrical wrap slit floor-length hem. The formal dress is crafted from a luxuriously soft velvet fabric with plenty of stretch. Complete your look for black tie occasions with earrings and heels.
Fit & Features
- Sleeveless surplice V-neckline
- Rhinestone-embellished spaghetti straps
- Back zipper and hook-eye closure
- Side pleated seam, mermaid silhouette, asymmetrical wrap slit
- Floor-length hem
- Velvet fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-7537
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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Cordella Sweetheart Mermaid Sit Satin Formal Dress
Special Occasion
From the chiffon flutter sleeves to the high front slit, the Cordella satin formal dress showcases your beauty and curves in a mermaid silhouette!
Fit & Features
- Stretch satin fabric, sewn-in stretchy knit lining
- Chiffon flutter sleeves
- Chiffon sweetheart neckline, padded bra cups
- Back zipper and hook-eye closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas and events, engagement parties, nights at the opera and theatre, cocktail soirees
Style Number/Barcode: 05002-9450
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alessia Off-The-Shoulder Sheer Mesh Formal Dress
Special Occasion
The Alessia sheer mesh formal dress will bring a chic, vampy flair to your next fancy outing. She features an off-the-shoulder straight-across neckline with a fold-over design, sheer long fitted sleeves, a sheer design at the waist, a long-length hem with ruching down the side and back seams, an alluring high back slit, and a form-fitting silhouette that will hug your curves. The sheer mesh fabric features a partial knit lining. Style with rhinestone fringe earrings and clear heels.
Fit & Features
- Off-the-shoulder straight-across neckline, fold-over design
- Sheer long fitted sleeves, sheer waist
- Long-length hem, ruched detailing, high back slit
- Curve-hugging fit
- Sheer mesh fabric, partial knit lining, plenty of stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7239
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Evelyn Off-The-Shoulder Formal Dress
Special Occasion
Effortless sophistication, redefined. The Evelyn formal dress moves with sleek confidence in soft, sculpting knit that hugs every curve. With its off-the-shoulder neckline and high front wrap slit, it’s made for the kind of entrance that lingers long after you’ve walked by.
Fit & Features
- Sleek knit lined fabric, sheen effect, moderate stretch
- Off-the-shoulder neckline
- Short-sleeve cuffs
- Back zipper and hook-eye closure
- High front wrap slit
- Form-hugging silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, galas, black-tie receptions, holiday parties, formal celebrations, fancy date nights, formal dances, red-carpet events
Style Number/Barcode: 05002-000352
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S
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Julissa V-Neck Sequin Mesh Mermaid Dress
Special Occasion
The Julissa V-neck sequin mesh mermaid dress will captivate the room with her glam perfection at dances, galas, or soirees! Crafted from a sheer mesh fabric with a full-length lining, she is accented with gleaming sequin embroidery in a luxe scroll pattern for that enchanting look. Her bodice is shaped with a sleeveless sweetheart neckline with a structured bust for support and adjustable spaghetti straps for a perfectly customized fit. Her cascading floor-sweeping mermaid silhouette will flaunt your stunning curves. Complete the look with rhinestone fringe earrings and stiletto heels for a dazzling vibe.
Sequins bring the perfect mix of elegance and fun. Want more options? Shine in a sparkling sequin prom dress or make an entrance in our glamorous party dresses.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered scroll pattern
- Sleeveless sweetheart neckline with center notched V-neck
- Adjustable spaghetti straps
- Back zipper closure
- Mermaid fit
- Runs true to size
Style Number/Barcode: 05002-8201
Category Name: Long Wedding Guest Dresses
Price: $9.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Myla Formal One-Shoulder Satin Dress
Special Occasion
Showcase elegance at your event with a formal dress that dazzles! Myla features a draped one-shoulder neckline with a supportive tank shoulder strap and an exposed sweetheart bust with molded padded cups. Her bodice features a corset-like design with glitzy gemstones and flexible boning. Her slim-fit bodice leads to a wrap A-line silhouette that is accented with ruching. Myla is composed of a lined satin fabric that offers a form-hugging fit with minimal stretch. Complete look with rhinestone heels.
Fit & Features
- One-shoulder neckline, tank shoulder strap
- Sweetheart bust, molded padded cups with underwire
- Mini gemstones, flexible boning
- Ruching
- Wrap A-line silhouette
- Lined satin fabric
- Form-hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2022
Category Name: Long Wedding Guest Dresses
Price: $39.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Georgina Strapless Lace-Up Mermaid Formal Dress
Special Occasion
Timeless style with a chic modern vibe, the Georgina strapless formal dress dares to radiant every room! With an alluring lace-up back and a curve-hugging mermaid silhouette, you'll look and feel like a dream.
Flawlessly chic and bold, this dress is a statement. If strapless styles are your go-to, explore our strapless prom dresses or embrace effortless fashion with our formal dresses.
Fit & Features
- Sleek knit fabric with stretchy knit lining
- Strapless neckline, padded bra cups
- Lace-up back, lower zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, formal functions, big parties, black tie events
Style Number/Barcode: 05002-9675
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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Major Crush Marble Print Maxi Dress
They'll totally be crushing on you in this alluring abstract marble print maxi dress! It features a strapless straight-across neckline, ruching down one side seam with an adjustable drawstring, a sultry high-cut side slit, and an asymmetric maxi-length hem. The fitted bodice leads to a flowy silhouette. The marble-printed sheer mesh fabric includes a mini-length knit lining. Style with gemstone earrings.
Fit & Features
- Strapless straight-across elastic-banded neckline
- Ruching down one side seam, adjustable drawstring
- High-cut side slit, asymmetric maxi-length hem, lettuce-edge trim
- Fitted bodice, flowy silhouette
- Abstract marble print
- Sheer mesh fabric, mini-length knit lining, plenty of stretch
- Runs true to size
Style Number/Barcode: 05102-5276
Category Name: Long Wedding Guest Dresses
Price: $9.97 $37.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Nadia Formal Glitter Long Dress
Special Occasion
Stretch knit glitter transforms the Nadia formal dress into a dancing queen's wish come true! She features a sleeveless cowl neckline with spaghetti straps that cross along her low-cut back, and side ruched seams to accentuate your curves on her form-hugging silhouette with a sexy side slit along the long hem. The formal dress is composed of a glitter-knit fabric with a knit lining and moderate stretch. Complete your dressy look in a necklace and earrings set.
Fit & Features
- Glitter knit fabric, knit lining, moderate stretch
- Sleeveless cowl neckline, spaghetti straps
- Low-cut back with cross straps
- Side ruched seams, side slit
- Form-hugging, long hem
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7054
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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Camren Formal Sequin Strappy Mermaid Dress
Special Occasion
Elegance is an understatement when it comes to the Camren formal sequin dress! Radiant the night in an everlasting glow at homecoming, prom, or celebration parties! She features a sleeveless plunge V-neckline with a wire insert, padded bust, bungee spaghetti straps that shape the strappy back design, a mermaid silhouette, and a floor-length hem. The formal dress is composed of a shimmering iridescent sequin-embroidered mesh fabric with a stretchy knit lining. Style with a sleek clutch and heels for a glamorous look!
Fit & Features
- Sleeveless plunge V-neckline, wire insert, padded bust
- Bungee spaghetti straps, strappy open back
- Lower back zipper closure
- Mermaid silhouette, floor-length hem
- Iridescent sequin-embroidery, mesh fabric, stretch knit lining
- Bra optional
- Runs true to size
Style Number/Barcode: 05002-2997
Category Name: Long Wedding Guest Dresses
Price: $9.97 $159.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sadie Formal Crepe Mermaid Dress
Special Occasion
Sophisticated yet sultry, turn-heads in the Sadie formal crepe dress for a rehearsal dinner, summer wedding, or black-tie gala! She features a sleeveless scoop neck with a cutout accent, adjustable spaghetti straps that can criss-cross in the front or back, and a form-hugging bodice that leads to her long mermaid silhouette with a sexy front slit. The formal dress is composed of a crepe knit-lined fabric with a moderate stretch. Complete your dressy look with a sparkly jewelry set.
Fit & Features
- Sleeveless scoop neck, cutout accent
- Adhesive bra recommended
- Adjustable spaghetti straps, criss-cross design in the front or back
- Back zipper closure
- Form-hugging bodice
- Mermaid silhouette, front slit, floor-length hem
- Crepe knit lined fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2373
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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Bridget Double Slit Dress
Special Occasion
Dream of a romantic getaway in our ravishing Bridget gown! She features a deep V neck and back, a banded waistline, and a pleated bodice. Her high waist flows to a floor-length skirt with an A-line design, a back zipper closure, and two thigh-high slits. She is fully lined with a smooth knit fabric that offers moderate stretch, and she has a tulle overlay that offers a dreamy angelic flow. Complete the look with cascading rhinestone duster earrings and a sleek clutch.
Fit & Features
- Tank shoulder straps
- V neck and back
- Back zipper and hook and eye closure
- High banded waist
- Floor-length skirt, A-line silhouette
- Sheer tulle fabric
- Full knit lining with dual high slits
- Runs true to size
Style Number/Barcode: 05002-0318
Category Name: Long Wedding Guest Dresses
Price: $14.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Corrina Cowl Neck Mermaid Glitter Formal Dress
Special Occasion
The Corrina glitter formal dress is a sparkling beauty that'll dazzle every party guest! Designed with a flattering cowl neckline and a mermaid silhouette that gives the illusion of the perfect hourglass figure.
Fit & Features
- Glitter fabric lined with stretchy knit
- Cowl neckline, padded bra cups
- Adjustable spaghetti straps
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings and soirees, glamorous dinner parties, formals
Style Number/Barcode: 05002-9516
Category Name: Long Wedding Guest Dresses
Price: $84.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Ships Free
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Raven Off-Shoulder Cutout Mermaid Formal Dress
Special Occasion
Exude sophistication in the Raven off-shoulder formal dress to make a stunning entrance. Crafted from a smooth knit fabrication, the floor-length dress boasts a head-turning open-back design with a twist accent and a mermaid silhouette that hugs your curves like a glove.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- Off-shoulder neckline
- Open back with twist accent
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, galas, black tie events, charity dinners, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-9550
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Vanessa Strapless Satin Crepe Formal Dress
Special Occasion
Show up and stun in the classic and chic Vanessa strapless formal dress! She features a two-tone design with a sleek satin bodice with a square neckline, a crepe knit skirt with an asymmetrical high waist seam, and a fitted floor-length silhouette with a sultry thigh-high side slit. Style this dress with a pair of strappy stiletto heels.
Fit & Features
- Two-tone design
- Satin bodice, strapless square neckline
- Strapless or adhesive bra recommended
- Crepe knit skirt, asymmetrical high waist seam
- Floor-length silhouette, high side slit
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2147
Category Name: Long Wedding Guest Dresses
Price: $14.97 $62.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Clara Rhinestone Detail Satin Mermaid Dress
Special Occasion
Sultry glamour will be your vibe in the Clara sleek satin mermaid dress. She features a sleeveless bodice, adjustable spaghetti straps for a customized fit, and a trendy cowl neckline with a sweetheart design and iridescent rhinestone detailing. Her flattering high waist seam flows out to a floor-length, fitted mermaid silhouette with a thigh-high side slit to showcase some leg. Style this dress with embellished heels.
Fit & Features
- Sleeveless bodice, adjustable spaghetti straps
- Cowl neckline with a sweetheart design, iridescent rhinestone embellishment
- High side slit
- Back zipper and hook and eye closure
- High waist seam
- Floor-length mermaid silhouette
- Satin-knit fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1752
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale