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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Giorgina Velvet Glitter Corset Mermaid Dress
Special Occasion
The long glitter velvet dress features a sleeveless V-neckline with adjustable spaghetti straps for a secure fit, a corset-bodice with contrast piping, an open-back accented with a bar strap design, and a wrap mermaid silhouette that creates a high-slit illusion. Complete formal outfit with sleek velvet gloves.
Fit & Features
- Lined glitter velvet fabrication, moderate stretch
- Sleeveless V-neckline, padded bust
- Corset bodice with contrast piping
- Adjustable spaghetti straps
- Open strappy back, sheer mesh inserts, bar closures, lower zipper with hook-eye closure
- High-slit, mermaid wrap silhouette, long length hem
- Runs true to size
Style Number/Barcode: 05002-8824
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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Ellen Formal Rhinestone Strap Long Dress
Special Occasion
You'll be absolutely captivated in the Ellen formal long dress sure to make jaws drop at banquets, black-tie weddings, and cocktail receptions! She features a sleeveless one-shoulder neckline, a glam rhinestone chainlink strap trim, a slim curve-hugging silhouette, and a sultry high-side slit that leads to her floor-length hem. The formal maxi dress is composed of a smooth and sleek knit fabric with a moderate stretch. Complete the look and style the long dress with a sparkly box clutch and earrings.
Fit & Features
- Sleeveless one-shoulder neckline
- Rhinestone chainlink strap trim
- Slim, curve-hugging silhouette
- High side slit, floor-length hem
- Smooth and sleek knit fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7323
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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Janessa Formal Satin One Shoulder Mermaid Dress
Special Occasion
Take glamorous strides in the Janessa formal satin dress as a flawless bridesmaid, wedding guest, or gala! She features a sleeveless one-shoulder neckline with a strappy back, a lightly padded bust, and a pleated side seam that leads to her wrap-style mermaid silhouette showcasing a high slit and floor-length hem. The formal dress is crafted from a smooth and shiny satin fabric to give you a luxe look! Complete the look with fringe earrings and a bracelet.
Fit & Features
- Sleeveless one-shoulder neckline, strappy back
- Lightly padded bust, back zipper and hook-eye closure
- Pleated side seam, wrap-style mermaid silhouette
- High slit, floor-length hem
- Smooth satin fabric, bust lining, minimal stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-6940
Category Name: Long Wedding Guest Dresses
Price: $19.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Piper Long Sleeve Sequin Formal Dress
Special Occasion
Gorgeous and glitzy, the Piper sequin formal dress will radiate stylish glamour! She features a V-neckline with a pleated wrap-front design, long bishop sleeves, a high waist seam, a floor-sweeping hem with a chic high front slit, and a slim-fit silhouette. The all-over iridescent sequin embroidery will shimmer all night long. Complete your look for a fancy gala with rhinestone fringe earrings.
Fit & Features
- V-Neckline, pleated wrap-front design
- Long unlined bishop sleeves, elastic cinched hems
- Back zipper, hook and eye closure
- High waist seam, floor-length hem, high front slit, slim-fit silhouette
- Iridescent sequin embroidery
- Sheer mesh fabric, woven lining, minimal stretch
- Bra-friendly design
- Runs true to size
Style Number/Barcode: 05002-2834
Category Name: Long Wedding Guest Dresses
Price: $49.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Jenetta Front Slit Crepe Dress
Special Occasion
Drape yourself in a light crepe fabric and look elegant in our Jenetta. A strappy back design and her sultry front slit are a playful touch to this sleek silhouette. Elevate your look by adding a pair of sparkling kitten heels and statement earrings to match!
Fits & Features
- Adjustable Spaghetti Straps That Tie At The Back
- Plunging V Neckline I Wide Waist Band
- Back Zipper With Hook & Eye Closure
- Floor Length Hem I Front Slit
- Crepe Fabric I Fully Lined
- Form Hugging Fit I Moderate Stretch
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0965
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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Paradise Ready Floral Maxi Dress
Unlock vacation energy in this floral maxi dress perfect for cocktail dinners, sunset strolls, and looking chic on the beach! This dress is designed in a flattering mermaid fit with a flared hem that brings effortless drama to every step.
Fit & Features
- Statement tropical floral print
- Mesh fabric lined with soft knit
- Tube strapless neckline
- Mermaid fit
- Flared maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-001141
Category Name: Long Wedding Guest Dresses
Price: $9.97 $42.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Ariel Formal Sequin Mermaid Dress
Special Occasion
Have your main character moment in the radiate Ariel formal long dress showcasing glistening sequins that light up every room! She features a sleeveless plunge V-neckline with wire inserts for a structured fit, adjustable spaghetti straps, a lightly padded bust, and a form-hugging mermaid silhouette that sweeps across the floor in a long hem. The formal dress is composed of a sequin-scroll mesh fabric with a knit lining and minimal stretch. Complete your dressy look in glitzy earrings and heels.
Fit & Features
- Sleeveless plunge V-neckline, wire insert
- Adjustable spaghetti straps, lightly padded bust
- Back zipper closure
- Form-hugging, mermaid silhouette, long hem
- Sequin-scroll pattern
- Mesh fabric, knit lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-2573
Category Name: Long Wedding Guest Dresses
Price: $9.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Darline Lace Mermaid Formal Dress
Special Occasion
Softly sculpted with a hint of romance, the Darline lace mermaid gown moves with an effortless, floaty feel that catches attention from every angle. The halter sweetheart neckline, sheer detailing, and cascading ruffle slit create a look that feels equal parts delicate and daring.
Fit & Features
- Lace fabric with sheer paneling throughout
- Halter sweetheart neckline, ruched center, padded bra cups
- Open back with halter tie closure
- Mermaid silhouette with high slit and ruffle trim
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, galas, fancy showers, anniversaries, birthdays, vacations, and honeymoons.
Style Number/Barcode: 05002-001100
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: LIGHT, BLUE, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Raya Rhinestone Mermaid Formal Dress
Special Occasion
Under soft lights, the Raya shimmers with every step, catching attention in the most refined way. Designed in a sculpting mermaid silhouette with delicate rhinestone detailing and a graceful tie-back finish, it’s the kind of gown that feels effortlessly polished from ceremony to last dance.
Fit & Features
- Mesh fabric with swirl embroidered pattern, full-length knit lining, high stretch
- All-over iridescent rhinestone embellishments
- V-neckline, adjustable spaghetti straps
- Open tie-back detail for customizable fit, lower back ruched detailing
- Mermaid silhouette that contours through the hips
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, big birthday events, glamorous soirees, garden parties, black-tie weddings, galas, and balls.
Style Number/Barcode: 05002-001186
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: YELLOW
Available Size: S, M, L
Product Badge:- Ships Free
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Melita Ruffle Mermaid Floral Mesh Formal Dress
Special Occasion
Embrace the beauty of the Melita floral mesh formal dress showcasing flirty ruffled straps, a flattering mermaid silhouette that accentuates your curves, and a chic floor-length hem.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Sweetheart neckline, padded bra cups
- Ruffled adjustable spaghetti straps
- Back zipper and hook-eye closure
- Fitted bodice
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, garden parties, spring cocktail parties, dressy birthdays
Style Number/Barcode: 05002-000018
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: SAGE
Available Size: XS, S, M, L, XL
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Jen V-Neck Halter Mermaid Formal Dress
Special Occasion
Slinky, sexy, and sumptuous in smooth knit, the Jen formal dress perfectly flaunts your figure in an elegant floor-length mermaid silhouette.
Fit & Features
- Silky smooth knit fabric, stretchy knit lining
- Halter V-neckline, tie closure, padded bra cups
- Open back with tie strap, lower zipper and hook-eye closure
- Mermaid silhouette, princess seam detailing
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas, dinner parties, engagement parties, rehearsal dinner, upscale celebrations, fancy date nights, cocktail soirees
Style Number/Barcode: 05002-9685
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Holly Lace-Up Sequin Satin Formal Dress
Special Occasion
Lustrous satin becomes even more undeniably glam with the addition of sequin embellishments on the Holly formal dress! Perfect for galas, prom, or black tie celebrations. She boasts a flattering V-neckline, spaghetti straps, and a curve-hugging silhouette complemented by a lace-up detailing to turn heads. The floor-length hem and shimmering sequin pattern on luxurious satin fabric add a touch of luxury to your formal attire. Complete the look in a stunning necklace and earrings set.
Fit & Features
- Sequin pattern, satin fabric lined with stretchy knit
- Spagehtti straps
- Lace-up, zipper and hook-eye closure
- Slim curve-hugging silhouette
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8421
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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Hadley V-Neck Ruffled A-Line Tulle Formal Dress
Special Occasion
You'll like a fairytale come true in the Hadley tulle formal dress at prom, sweet sixteens, or dressy events! The surplice V-neckline and pleated bust create a flattering silhouette, while adjustable spaghetti straps and padded bra cups ensure the perfect fit. Complete with a ruffled A-line silhouette and floor-length hem, this gown is perfect for your formal occasion or event! Style this dress with an elegant necklace and heels for a glamorous effect.
Fit & Features
- Airy tulle fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- Pleated surplice bust
- Ruffled A-line silhouette
- Runs true to size
Style Number/Barcode: 05002-8188
Category Name: Long Wedding Guest Dresses
Price: $9.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Twyla Sleeveless A-Line Formal Dress
Special Occasion
The Twyla knit gown drapes effortlessly with a V-neckline, sculpted twist front, and flowing A-line silhouette. The open back detail and front slit bring just the right amount of drama for every RSVP that calls for something unforgettable.
Fit & Features
- Sleek knit fabric with stretch, knit lining
- V-neckline, twist bust accent
- Open tie-back design, lower zipper and hook-eye closure
- High front slit
- A-line floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, black tie galas, anniversaries, formal celebrations, theatre nights, red-carpet occasions
Style Number/Barcode: 05002-001826
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Jayden Satin Strapless Corset Mermaid Formal Dress
Special Occasion
An entrance-maker with timeless allure, The Jayden captures the art of effortless sophistication. Crafted in satin with a structured strapless corset, pleated waist, and sweeping mermaid silhouette, it’s made for evenings that call for unforgettable elegance.
Fit & Features
- Stretch satin fabric, knit lining
- Strapless neckline
- Corset bodice, flexible boning, back zipper and hook-eye closure
- Pleated waist accent
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, rehearsal dinners, engagement parties, military balls, fancy date nights, red carpet events, milestone celebrations, luxurious dinner parties
Style Number/Barcode: 05002-000171
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: Out of Stock
Product Badge:- Ships Free
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Charlotte Formal Satin Marabou Strapless Dress
Special Occasion
Silky satin delivers a chic allure to the Charlotte formal long dress showcasing a fab marabou trim so you can be a little extra diva! She features a strapless neckline, side ruched seams, a hip-hugging slim silhouette that flatters your curves beautifully, and a front slit with a marabou feather trim along the long hem. The formal maxi dress is composed of a smooth satin fabric with a bust lining and moderate stretch. Complete the look in sleek strappy stiletto heels for a gala or dressy cocktail party.
Fit & Features
- Strapless neckline, side ruched seams
- Back zipper and hook-eye closure
- Hip-hugging slim silhouette
- Front slit, marabou feather trim, long hem
- Smooth satin fabric, bust lining, moderate stretch
- Strapless bra or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7270
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Poppy Formal Scalloped Lace A-Line Dress
Special Occasion
Captivate with a formal dress that brings the elegance to your evening! Poppy features a sleeveless V-neckline with scalloped lace trim, adjustable spaghetti straps, and a fitted waist that leads to a near floor-length A-line silhouette. Poppy is composed of an airy tulle mesh fabric that offers a form hugging fit with minimal stretch. Complete look with rhinestone cuff and rhinestone heels.
Fit & Features
- Sleeveless V-neckline
- Scalloped lace trim
- Adjustable spaghetti straps
- Fitted waist, A-line silhouette
- Tulle mesh fabric
- Form hugging fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05001-0640
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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Scoop Neck Asymmetric Maxi Dress
Sunny days are finally here! Add this form-hugging maxi dress into your OOTDs! Style it up with a denim jacket for a casual look or edge it up with a leather jacket!
Fits & Features
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Scoop Neckline
- Spaghetti Straps That Cross At The Back
- Asymmetric Maxi Length Hemline Reveals Front Slit
- Smooth Jersey Knit Fabric
- Form Hugging Fit
- Plenty Of Stretch
Style Number/Barcode: 05101-0508
Category Name: Long Wedding Guest Dresses
Price: $14.97 $37.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Scoop Neckline
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Penelope Mesh Rhinestone Formal Dress
Special Occasion
The Penelope mesh formal dress combines fluid mesh with striking cutout details for a look that's glamorous and unforgettable. A halter neckline, flowy A-line silhouette, and sparkling rhinestone trim create a statement-making gown that's ready for every dressed-up occasion on your calendar.
Fit & Features
- Mesh fabric, smooth lining
- Halter neckline with rhinestone trim
- Cutout bodice with rhinestone trim straps
- Open back detail with rhinestone trim straps with hook and eye fasteners
- Flowy A-line floor-length silhouette
- Runs true to size
Where to Wear:
Black tie weddings, formal galas, vacations, honeymoons, resort getaways, birthday celebrations, cocktail soirees, special date nights, fashion-forward events
Style Number/Barcode: 05002-001870
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: Out of Stock
Product Badge:- Ships Free
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Collen Formal Glitter Mesh Mermaid Long Dress
Special Occasion
Sparkling glitter captivates every room on the Collen formal glitter long dress perfect for black tie galas or weddings! She features sheer fitted long sleeves and a square neckline to offer subtle allure, while the twist wrap waist design and mermaid silhouette accentuate your curves. The high front slit and floor-length hem add a touch of drama to this truly enchanting formal dress crafted on airy glitter mesh fabric with a stretchy knit lining. Complete the look with earrings and a clutch!
Fit & Features
- Sheer fitted long sleeves, square neckline
- Twist wrap waist design
- Mermaid silhouette, high front slit
- Floor-length hem
- Glitter mesh fabric, stretchy knit lining
- Bra friendly design
- Runs true to size
Style Number/Barcode: 05002-7768
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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Laine Formal Lace-Up Mermaid Long Dress
Special Occasion
For a look that does it all, the Laine formal dress is the one you're after! She features a sleeveless V-neckline, sleek spaghetti straps that create the lace-up back design, a figure-skimming mermaid silhouette, and a floor-length hem. The formal dress is crafted from a smooth and stretchy knit fabric with a subtle sheen effect. Complete the look for the school dance or a banquet dinner with dangly earrings.
Fit & Features
- Sleeveless V-neckline
- Spaghetti straps
- Lace-up back design
- Mermaid silhouette, floor-length hem
- Smooth, stretchy knit fabric, subtle sheen
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7722
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Maddie Formal Satin Bow One-Shoulder Dress
Special Occasion
Silky satin shapes the Maddie formal dress for an inevitable cocktail party or wedding guest look! She features a sleeveless one-shoulder neckline, a wide shoulder strap with a statement white bow, a curve-hugging slim silhouette, and a high-cut front slit along her floor-length hem. The formal long dress is composed of smooth silky satin-lined fabric with a moderate stretch. Complete the look with a clutch and heels.
Fit & Features
- Sleeveless one-shoulder neckline
- Wide shoulder strap, statement white bow
- Curve-hugging, slim silhouette
- High-cut front slit, floor-length hem
- Lined satin fabric, moderate stretch
- Strapless or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7215
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Kiley Formal Satin V-Neck Long Dress
Special Occasion
Stunning for prom or bridesmaids, step out in the Kiley formal satin dress for your next fancy night out! She features a sleeveless V-neckline with sheer mesh inserts, adjustable spaghetti straps, a pleated bodice, a low-cut back, and a hip-hugging asymmetrical wrap long hem with a sultry slit. The formal dress is composed of silky satin fabric with lining and moderate stretch. Complete the look in platform stiletto heels.
Fit & Features
- Sleeveless V-neckline, sheer mesh inserts
- Adjustable spaghetti straps, low-cut back
- Back zipper and hook-eye closure, pleated bodice
- Hip-hugging, asymmetrical wrap slit, long hem
- Lined satin fabric, moderate stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-3319
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Heather Crepe Satin Lace-Up Formal Dress
Special Occasion
Effortlessly refined, the Heather crepe mermaid gown is designed for moments that call for quiet confidence and timeless polish. Satin fabric drapes the strapless neckline while a lace-up back adds a subtle statement, creating a look that feels elevated, intentional, and unforgettable.
Fit & Features
- Satin fabric trim and crepe fabric
- Strapless pleated neckline, non-slip grip lining
- Lace-up back
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, black tie weddings, formal ceremonies, cocktail receptions, milestone celebrations, anniversary dinners, award dinners, rehearsal dinners, engagement parties, fashion events
Style Number/Barcode: 05002-001460
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
Product Badge:- Ships Free