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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Adah Formal Glitter A-Line Dress
Special Occasion
Razzle and dazzle in the Adah formal glitter dress sure to memorize the room with her sparkly entrance! She features a sleeveless, sweetheart neck, lightly padded bust, and sleek bungee spaghetti straps that cross along her open back with a bum-ruched seam and zipper closure. Her form-fitting, a-line silhouette accentuates your curves and elongates your figure thanks to the flared, floor-length hem. The formal dress is composed of a glitter stretch-knit lined fabric. Complete your dressy look with a chic hairpiece to tame your tresses.
Fit & Features
- Sleeveless, sweetheart neck, bungee spaghetti straps
- Lightly padded bust, bra optional
- Open-back, cross straps, bum ruched seam, zipper closure
- High waist seam, form-fitting
- A-line silhouette, floor-length hem
- Glitter stretch-knit lined fabric
- Fits true to size
Style Number/Barcode: 05002-2409
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Tiffany Lace-Up Slit Mermaid Formal Dress
Special Occasion
Romantically speaking, the Tiffany lace-up formal dress is destined to be beloved at weddings, banquets, and fancy soirees! Crafted with lined smooth knit fabric, this dress is truly a work of art. She features a subtle and sultry cowl neckline and wide shoulder straps for a tasteful touch. The mesmerizing lace-up back design, lower back ruching, and mermaid silhouette enhance your silhouette while the high front slit and floor-length hem add a touch of allure! Complete the look with a rhinestone necklace and heels.
Fit & Features
- Stretchy smooth knit fabric, full-length knit lining
- Cowl neckline
- Wide shoulder straps
- Lace-up back, lower ruching
- High front slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8428
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Sandra Halter Open Back Mermaid Sequin Dress
Special Occasion
Evoke glamour in the Sandra sequin formal dress to bring sparkle to black-tie soirees! She's designed with a halter neckline with button closures to secure the sophisticated look, while the open back adds a touch of sultry. The mermaid silhouette and floor-length hem flatter every figure and curve to reveal a stunning fit, adorned with a mesmerizing sequin scroll pattern on delicate mesh fabric. Complete the look with a bracelet, clutch, and heels for a chic evening affair!
Fit & Features
- Sequin scroll pattern, mesh fabric lined with stretchy knit
- Button back closures
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8165
Category Name: Long Wedding Guest Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Rosalie Formal Mermaid Dress
Special Occasion
Showcase timeless elegance in the simple yet chic Rosalie formal mermaid dress. She features a sleeveless square neckline, spaghetti straps, princess seams that run down the length of the dress, and a floor-length, fitted, mermaid silhouette. Complete the look with sparkling statement earrings and an embellished clutch.
Fit & Features
- Sleeveless square neckline, spaghetti straps
- Strapless or adhesive bra recommended
- Princess seams, high waist seam, back zipper, hook and eye closure
- Mermaid silhouette
- Floor-length hem with interfacing trim
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2087
Category Name: Long Wedding Guest Dresses
Price: $19.97 $66.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Marissa Sequin Lace-Up Formal Dress
Special Occasion
Soft shimmer meets sculpted elegance in the Marissa gown, a knit fabric mermaid gown designed to catch the light with every step. A delicate sequin pattern, flattering scoop neck, and lace-up open back create a look that feels equal parts refined and unforgettable for weddings, galas, and every formal RSVP in between.
Fit & Features
- Sequin pattern, sleek knit-lined stretch fabric
- Scoop neckline with padded bust
- Spaghetti straps
- Lace-up open back, zipper and hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, balls, galas, big birthday events, formal milestone celebrations, elegant award ceremonies, red carpet events
Style Number/Barcode: 05002-000929
Category Name: Long Wedding Guest Dresses
Price: $19.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Santana Strapless Scarf Mermaid Satin Formal Dress
Special Occasion
The Santana satin formal dress is your ticket to black-tie glamour! With a chic scarf for versatile styling and a stunning mermaid silhouette, this dress makes an entrance.
This dress is made for the spotlight. Want more ways to stand out? Shop our vibrant pink prom dresses or find a chic, event-ready look in our wedding guest dresses.
Fit & Features
- Stretch satin fabric, stretchy knit lining
- Strapless neckline, padded bra cups
- Back zipper and hook-eye closure
- Scarf included
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie weddings, bridesmaids, garden parties, formal cocktail soirees, opera nights
Style Number/Barcode: 05002-9684
Category Name: Long Wedding Guest Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Calista Formal High Slit Halter Dress
Special Occasion
Make a captivating entrance with a dress that brings the elegance to your evening! The dress features a halter neckline with a square neck bust, halter neck strap, ruching, and a high side slit. The dress is composed of a satin fabric that offers a form-hugging fit with minimal stretch. Complete look with rhinestone heels and statement earrings.
Fit & Features
- Halter neckline
- Square neck bust
- Halter neck strap
- Ruching
- High side slit
- Satin fabric
- Form hugging fit, runs true to size
Style Number/Barcode: 05002-1318
Category Name: Long Wedding Guest Dresses
Price: $9.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Josephine Floral Mesh Ruffled Slit Formal Dress
Special Occasion
Romantic yet refined, the Josephine gown is designed to move beautifully from ceremony to celebration. Crafted in garden floral mesh-lined fabric, the halter square neck and high side ruffled slit elevate a ruched bodycon silhouette with effortless allure.
Fit & Features
- Floral mesh-lined fabric with soft stretch
- Halter neckline with adjustable tie
- Ruched bodice for a contouring fit
- Open back detail, zipper and hook-eye closure
- Asymmetrical high-low hem
- Side slit with ruffle trim
- Body-skimming silhouette
- Runs true to size
Where to Wear:
Weddings, outdoor ceremonies, destination celebrations, honeymoons, vacations, bridal showers, engagement parties, dressy daytime receptions, cocktail soirees, romantic evening dinners
Style Number/Barcode: 05002-000540
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: In Stock
Available Color: IVORY
Available Size: XS
Product Badge:- Sale
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Jaylee Strapless Satin Formal Dress
Special Occasion
You'll look simply chic in the Jaylee sleek satin formal dress. She features a strapless straight across neckline with a fold-over design, an alluring open back with a ruched strap at the center, draped detailing at the lower back, and an A-line silhouette that cascades down to a long-length hem. The smooth satin fabric has a lightweight feel for comfortable wear. Complete your dressy look with a rhinestone choker necklace and clear heels.
Fit & Features
- Strapless straight across neckline, fold-over design, no-slip silicone strip
- Sticky bra recommended
- Open back, ruched elastic strap at the center
- Draped design at the lower back
- A-line silhouette, long-length hem
- Lightweight satin fabric, no stretch
- Runs true to size
Style Number/Barcode: 05002-7014
Category Name: Long Wedding Guest Dresses
Price: $14.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Anaya Lace Open Back Formal Dress
Special Occasion
The Anaya dress is pure evening romance, designed to feel timeless yet undeniably captivating as it moves with you. Delicate lace, a sweetheart neckline, and an open back with tie come together in a fitted mermaid silhouette that feels elegant, confident, and unforgettable.
Fit & Features
- Lace fabric with full knit lining
- Sweetheart neckline with spaghetti strap tie, underwire bust
- Fitted lace bodice with open back cutout, lower zipper and hook-eye closure
- Defined waist with contoured shaping
- Floor-length mermaid skirt
- Runs true to size.
Where to Wear:
Weddings, evening galas, seasonal celebrations, formal dinners, upscale receptions, elegant soirees, milestone celebrations, destination vacations, honeymoons, red-carpet occasions
Style Number/Barcode: 05002-000724
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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Colette Strapless Mermaid Satin Formal Dress
Special Occasion
The Colette satin formal dress is the epitome of sophisticated dressing with a chic strapless neckline and pleated mermaid silhouette that highlights your curves!
Fit & Features
- Premium satin fabric lined with stretchy knit
- Strapless sweetheart neckline, padded bra cups
- Back zipper and hook-eye closure with ruching
- Pleated mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black-tie galas, charity dinners, nights at the theatre, and glam events.
Style Number/Barcode: 05002-9672
Category Name: Long Wedding Guest Dresses
Price: $39.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Allure Ruffle Hem Bodycon Midi Dress
The shape is streamlined, but the finish has a little drama. This fitted midi dress hugs through the body with halter-style straps, an open back, and a ruffled slit that adds movement to the hemline. Add heels and the whole look feels instantly decided.
Fit & Features
- Smooth knit stretchy fabric
- Bodycon fit
- Square neckline with halter-style straps
- Open back design
- Side slit with ruffle hem
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-001493
Category Name: Long Wedding Guest Dresses
Price: $38.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
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Kourtney Halter Mermaid Satin Formal Dress
Special Occasion
You'll make jaws drop in the Kourtney satin formal dress as a gorgeous bridesmaid or black-tie party guest! Made from silky satin that exudes luxury, she boasts a high cowl neckline with halter tie straps creating a sophisticated silhouette, while the open back adds a touch of sensuality. Side pleated seams and a high front wrap slit complete this exquisite mermaid gown. Make a statement at your next special event in this floor-length stunner and complete the look with rhinestone earrings and heels.
Fit & Features
- Stretch satin fabric with a bust knit lining
- Halter tie straps
- Open back
- High front wrap slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8249
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Olga Formal One Shoulder Long Dress
Special Occasion
Your curves deserve the spotlight in the Olga formal dress perfect for bridesmaids or fancy dinner parties! She features a sleeveless one-shoulder neckline with an asymmetrical strap, bust lining, and side ruched seams to accentuate your figure along her bodycon, slim silhouette, and a skin-flaunting high side slit and long hem. The formal dress is composed of a slinky knit fabric with a sheen effect and moderate stretch. Style with a stunning jewelry set and heels to complete your dressy look!
Fit & Features
- Sleeveless one-shoulder neckline
- Asymmetrical strap, bust lining
- Side ruched seams, bodycon slim silhouette
- High side slit, long hem
- Slinky knit fabric with a sheen effect, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6900
Category Name: Long Wedding Guest Dresses
Price: $19.97 $89.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Sara Formal Glitter Lace-Up Dress
Special Occasion
Glistening glitter creates endless shine on the Sara glitter dress for your next formal party! She features a glowing mermaid silhouette starting from her sleeveless, cowl neck, spaghetti straps, and sultry open-back with a lace-up design. Her high waist seam leads to the form-fitting, floor-length hem with a revealing side slit to showcase some skin. the formal dress is composed of a stretch-knit lined fabric with a moderate stretch. Complete your dressy look in a glam hair piece and a clutch.
Fit & Features
- Sleeveless, cowl neck, spaghetti straps
- Adhesive bra recommended
- Open-back, lace-up design
- High-waist seam, side slit
- Form-fitting, mermaid silhouette, floor-length hem
- Glitter stretch-knit lined fabric, moderate stretch
- Fits true to size
Style Number/Barcode: 05002-2374
Category Name: Long Wedding Guest Dresses
Price: $19.97 $66.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Mary Formal High Low Chiffon Dress
Special OccasionCreate a twirl worthy moment in our gorgeous Mary navy dress! She features a sleeveless bodice, a wrap V neckline and adjustable narrow straps. Her slim fit bodice leads to a sweeping high-low silhouette. She brings the romance with her all over floral print. Dress is composed of a lined chiffon fabric that offers a form hugging fit with minimal stretch. Includes a mini skirt length knit lining.
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: 05002-6546
Category Name: Long Wedding Guest Dresses
Price: $29.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Trisha Lace Long Formal Dress
Special Occasion
Designed for nights that deserve a dramatic entrance, this lace long silhouette shapes and sculpts with a cutout mock neckline and a daring lace-up front that draws the eye. The high front slit adds movement and allure, creating a look that feels bold, polished, and unforgettable.
Fit & Features
- Lace fabric lined with smooth, stretchy knit
- Cutout mock neckline with lace up front
- Open back design
- Back zipper and hook-eye closure
- High front slit for striking movement
- Form-hugging long silhouette
- Runs true to size
Where to Wear:
Weddings, receptions, black-tie galas, fashion events, red-carpet soirees, holiday parties, birthday dinners, date nights
Style Number/Barcode: 05002-001011
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Rani Sleeveless Strappy Open-Back Beaded Mermaid Dress
Special Occasion
The long mermaid dress features a sleeveless v-neckline, adjustable spaghetti straps, an open-back design accented with multiple spaghetti straps, and a beaded embellished pattern. Complete the formal outfit with a rhinestone clutch.
Make your entrance unforgettable in this dress. For more glam styles, explore intricate embellishments on beaded prom dresses or be ready to celebrate in wedding guest dresses.
Fit & Features
- Lined mesh fabrication, beaded embellishments
- Sleeveless v-neckline
- Adjustable spaghetti straps
- Open back accented with multi-strap design
- Back zipper and hook-eye closure
- Long length hem
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8948
Category Name: Long Wedding Guest Dresses
Price: $69.97 $149.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ramona Formal Velvet Rose Strappy Mermaid Dress
Special Occasion
A lovely rose pattern covers the romantic Ramona formal dress perfect for weddings or any fancy occasion! She features a sleeveless square neckline adorned with sleek bungee spaghetti straps, a strappy open back, and a figure-flaunting mermaid silhouette with a floor-length hem. The formal dress is designed with a flocked velvet rose pattern on mesh fabric and includes a stretchy knit lining. Complete the look with a chic mini clutch and earrings.
Fit & Features
- Sleeveless square neckline
- Bungee spaghetti straps
- Mermaid silhouette
- Floor-length hem
- Flocked velvet rose pattern, mesh fabric, stretchy knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7481
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Serena Strapless Wrap Gown
Special OccasionChannel a Greek goddess in Serena, an equal parts sunny and sophisticated column gown. She features a strapless bodice, wrap-style detailing, draping at waist, a front slit, and a back zip. Serena is made from a crepe-style fabric with limited stretch and is slimly fitted through the bust, waist, and hips. She is fully lined with a smooth knit fabric that provides additional coverage for her slim fit.
Model is 5'9" with a 32" 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: 05002-6678
Category Name: Long Wedding Guest Dresses
Price: $29.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Parker Formal Butterfly Embroidered A-Line Dress
Special Occasion
Look like you've stepped out of the pages of a fairytale book in the ethereal Parker formal butterfly dress - a whimsical boho-chic bridal style or an enchanting night at prom! She features a sleeveless plunge V-neckline, sleek adjustable spaghetti straps that cross along her open back, a surplice pleated bust, and a flattering A-line silhouette with a floor-length hem. The formal dress is designed with beautiful butterfly embroidery along the bodice and hem on airy mesh fabric and a stretchy knit lining with dual front slits. Complete the look with boho dangly earrings and heels.
Fit & Features
- Sleeveless plunge V-neckline, adjustable spaghetti straps
- Open back, cross straps, zipper and hook-eye closure
- Pleated and surplice bust, sticky bra recommended
- A-line silhouette, floor-length hem
- Butterfly embroidery along the bodice and hem
- Airy mesh fabric, stretchy knit lining with dual front slits
- Runs true to size
Style Number/Barcode: 05002-7068
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Alaina Asymmetric One-Shoulder Mermaid Dress
Special Occasion
The Alaina formal mermaid dress was made for a red-carpet moment! She features a sleeveless asymmetric one-shoulder neckline with a cutout leading from the bust to the back, a single spaghetti strap and thin shoulder strap, ruching at the bodice, and an alluring open-back design. Her high waist seam flows out to a floor-length, fitted, mermaid silhouette with a chic thigh-high front slit to showcase your heels. The crepe fabric offers a moderate stretch. Complete the look for a gala with rhinestone statement earrings.
Fit & Features
- Sleeveless asymmetric one-shoulder neckline, front cutout
- Sticky bra recommended
- Spaghetti strap, thin shoulder strap
- Ruching at the bodice, open back, zipper closure
- High waist seam, floor-length mermaid silhouette, high front slit
- Form-hugging fit
- Crepe fabric, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2599
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Charlie Formal Double Slit A-Line Dress
Special Occasion
Make a captivating entrance with a dress that brings the drama! Charlie features a halter neckline with a partially lined bodice, a sweetheart bust, dual high side slits, and an A-line silhouette. The dress is composed of a partially lined mesh fabric that offers a form hugging fit. Complete look with rhinestone heels and a sparkly glitter clutch.
Fit & Features
- Halter neckline, partially lined bodice
- Sweetheart bust
- Dual high side slits
- A-line silhouette
- Lined mesh fabric
- Form hugging fit
- Runs true to size
Style Number/Barcode: 05002-1392
Category Name: Long Wedding Guest Dresses
Price: $9.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Meadow Rhinestone Glitter Formal Dress
Special Occasion
Crafted for moments that call for a little extra glow, the Meadow rhinestone glitter mermaid gown hugs and sculpts before flowing into a dramatic finish. The strapless neckline and low back create a striking balance of elegance and allure, made for an entrance they won’t forget.
Fit & Features
- Rhinestone-embellished glitter mesh fabric with full-length knit lining, high stretch
- Strapless neckline with structured bodice, padded bra cups
- All-over ruched detailing
- Low back detail, zipper and hook-eye closure
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, black-tie occasions, red carpet events, spring galas, balls, and big birthday events.
Style Number/Barcode: 05002-000975
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free