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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Keira Glitter Knit High Slit Formal Dress
Special Occasion
Dazzle in the gorgeous Keira glitter knit formal dress for your next special soiree! She features a sleeveless V-neckline, adjustable spaghetti straps, a high waist seam, and a floor-length skirt with a slim fit and a sexy thigh-high front slit. Style this dress with rhinestone statement earrings and a sparkly bracelet to pull the glamorous look together!
Fit & Features
- Sleeveless V-neckline
- Adjustable spaghetti straps
- Hidden back zipper and hook and eye closure
- High waist seam
- Floor-length skirt, slim fit, high slit
- Glitter textured knit fabric, knit lining, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2046
Category Name: Long Wedding Guest Dresses
Price: $14.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Adrianna Faux Pearl Mermaid Formal Dress
Special Occasion
Delicate faux pearls meets timeless glamour in the Adrianna mesh gown, designed with a flattering ruched bodice and sleek mermaid silhouette. The floor-sweeping finish ensures every step feels like a red-carpet moment.
Fit & Features
- Faux pearl embellished, mesh-lined fabric
- V-neckline
- Adjustable spaghetti straps
- Ruched bodice
- Mermaid silhouette
- Floor-length bonded hem
- Runs true to size
Where to Wear:
Black tie weddings, bridal celebrations, engagement parties, rehearsal dinners, galas, military balls, formal milestone celebrations, fancy birthday events, red-carpet occasions
Style Number/Barcode: 05002-000137
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: Out of Stock
Product Badge:- Ships Free
- Faux pearl embellished, mesh-lined fabric
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Ellen Ruffled Slit Long Glitter Formal Dress
Special Occasion
Unlock momentous charm in the Ellen ruffled slit long glitter formal dress as a lovely bridesmaid, wedding guest, or banquet guest! Her cowl neckline and adjustable spaghetti straps enhance your form and add sophistication. The high front ruffled trim slit adds a touch of drama along the long-length hem, while the glossy glitter fabric exudes opulence and luxury. Complete the look in strappy rhinestone heels.
Fit & Features
- Glossy glitter fabric, sewn-in knit lining, minimal stretch
- Adjustable spaghetti straps
- Padded bra cups
- Back zipper hook-eye closure
- High front ruffled trim slit
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-8055
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Bella Formal Crepe Rhinestone Open Back Dress
Special Occasion
The Bella formal crepe dress is a major head-turner! Stunning for award banquets, anniversary parties, and black tie events. She features a sleeveless high neckline, dual back button closures, a revealing open back with rhinestone fringe, a lower ruched seam, and a flattering mermaid silhouette, high front slit, and floor-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Complete the look with a glamorous hair clip and gloves.
Fit & Features
- Sleeveless high neckline, back dual button closures
- Open back, rhinestone fringe, lower ruched seam
- Mermaid silhouette
- High front slit, floor-length hem
- Lined crepe fabric, moderate stretch
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7397
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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Yara One-Shoulder High Slit Glitter Mesh Formal Dress
Special Occasion
Show up and stun at your formal affair looking absolutely iconic in the Yara one-shoulder high slit glitter mesh formal dress! Made with a sheer glitzy glitter mesh fabric with a full-length knit lining, this figure-flaunting long dress offers plenty of stretch for comfortable wear all night. Her sleeveless bodice is shaped with a one-shoulder neckline with a tank shoulder strap, and she features all-over ruched detailing to accentuate your gorgeous curves on the slim-fit silhouette. Her asymmetric hem creates an alluring high-cut side slit to showcase some leg. Complete your look with metallic stiletto heels.
Fit & Features
- Stretchy sheer glitter mesh fabric, full-length knit lining
- One-shoulder neckline, tank strap
- High waist seam
- Ruching
- Asymmetric high side slit
- Slim-fit silhouette
- Runs true to size
Style Number/Barcode: 05002-8362
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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Mackenzie Formal Satin Floral Lace-Up Dress
Special Occasion
Long in reasons to love, the Mackenzie formal satin dress will have you feeling so romantic! She features a sleeveless cowl neckline, sleek spaghetti straps that lace up along the back, and a flattering A-line silhouette, high front slit, and floor-length hem. The formal dress is crafted from a silky satin fabric with a gorgeous dainty floral print and has a smooth woven lining. Complete the look with a sparkly clutch and strappy heels for an outdoor wedding or black tie soiree!
Fit & Features
- Sleeveless cowl neckline
- Spaghetti straps, lace-up back
- Back zipper and hook-eye closure
- A-line silhouette, high front slit, floor-length hem
- Dainty floral print, silky satin, woven lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-7727
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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Tyra Formal Tulle Tiered A-Line Dress
Special Occasion
Voluminous tulle in a flirty ruffled tiered style creates the Tyra formal dress to bring the party to banquets, weddings, and dressy cocktail events! She features a sleeveless plunge V-neckline, a pleated bust, adjustable spaghetti straps that crisscross along her open back, and an empire waist that leads to the ruffled tiered A-line silhouette with a long hem. The formal dress is composed of an airy tulle fabric with a stretchy knit lining. Complete the look with a chic tennis bracelet and choker.
Fit & Features
- Sleeveless plunge V-neckline, pleated bust
- Adjustable spaghetti straps, crisscross open back
- Empire waist, back zipper and hook-eye closure
- A-line ruffled tiered silhouette, long hem
- Airy tulle fabric, stretchy knit lining
- Sticky bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-6983
Category Name: Long Wedding Guest Dresses
Price: $19.97 $109.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Julie Heat Stone High Slit Formal Dress
Special Occasion
Dazzle and be the center spotlight of the dance floor in our stunningly chic Julie dress! She features a high round neckline, a back zipper and hook and eye closure, long fitted sleeves, and a floor sweeping fitted length with a sultry thigh high front slit. Dress is composed of a crepe fabric, offering moderate stretch, and showcases an intricate design of iridescent multi-faceted heat stones.
Model is 5'8" with a 32" bust, 23" waist and 36" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0267
Category Name: Long Wedding Guest Dresses
Price: $30.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Soft Drama Strapless Tiered Ruffle Maxi Dress
Floaty layers that do the absolute most in the best way. This strapless chiffon maxi dress brings soft movement and an easy, elevated feel for nights that turn into something a little extra.
Fit & Features
- Lined chiffon fabrication
- Strapless tube neckline
- Fitted bodice with dual cutouts
- Open back design
- Tiered ruffle silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-001096
Category Name: Long Wedding Guest Dresses
Price: $27.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Taryn Strapless Sequin Beaded Mermaid Dress
Special Occasion
The Taryn floor-sweeping mermaid dress is crafted with all-over sequin and beaded embroidery on lined mesh fabric to take everyone's breath away at black-tie events! The formal dress is designed with a chic satin strapless pleated neckline with padded bra cups for support and a flattering form-hugging mermaid silhouette that flaunts your stunning figure.
Shop Black Dress: Stacey Strapless Sequin Beaded Mermaid Dress
This dreamy dress is pure elegance and sure to leave a lasting impression. Looking for more? Elevate your look with a stunning pink prom dresses or a captivating formal dress.
Fit & Features
- Mesh fabric with stretchy knit lining
- All-over sequin and beaded embroidery
- Satin strapless pleated neckline, padded bra cups
- Back zipper with hook-eye closure
- Form-hugging mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-8957
Category Name: Long Wedding Guest Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Mindy Strappy Back Mermaid Satin Glitter Dress
Special Occasion
Get ready to strike a pose in the Mindy satin glitter dress to sparkle at formal banquets, galas, and weddings! Step into elegance in this formal gown designed with a wired sweetheart neckline and spaghetti straps that add a touch of sophistication, while the strappy open back with hook-eye closure exudes exclusivity. The padded bra cups provide support and the mermaid silhouette and flared seam detail create a floor-length hem that will make you feel like a work of art. Complete the look with a sparkly clutch, jewelry, and chic heels for a glamorous evening impression!
Fit & Features
- Satin glitter fabric lined with stretchy knit
- Padded bra cups
- Spagehtti straps
- Back zipper and hook-eye closure
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8034
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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Colette Formal Sequin Strapless High Slit Mermaid Dress
Special Occasion
The Colette formal sequin mermaid dress will bring the glamorous drama to your black-tie affair! Crafted with all-over glitzy sequin embroidery for a gorgeous sheen, she features a strapless sweetheart neckline with a cowl-draped overlay, a high waist seam, ruching at the waist, a chic asymmetric front seam leading to a high-cut front slit for an alluring flair, and a floor-sweeping hem with a mermaid silhouette. The sheer mesh fabric includes a full-length knit lining. Complete your formal look in this long dress with a rhinestone jewelry set.
Fit & Features
- Strapless sweetheart neckline, cowl-draped overlay, built-in padded bust
- High waist seam, back zipper, hook and eye closure
- Ruching at the waist, asymmetric front seam, high-cut front slit
- Floor-sweeping hem, mermaid silhouette
- All-over sequin embroidery
- Sheer mesh fabric, full-length knit lining, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-7962
Category Name: Long Wedding Guest Dresses
Price: $14.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Capri Formal One Shoulder Satin Dress
Special Occasion
Make a head-turning moment with a formal dress that wows with each twirl! Capri features a one-shoulder neckline, a double-row asymmetrical spaghetti strap design, and padded cups. Her slim-fit bodice leads to a curve-hugging mermaid silhouette with a stunning high side slit. She is composed of a lined satin fabric that offers a form hugging fit with a moderate stretch. Complete look with rhinestone heels.
Fit & Features
- One-shoulder neckline
- Double-row asymmetrical spaghetti strap
- Padded cups
- High side slit
- High waist
- Mermaid silhouette
- Form hugging fit, moderate stretch, runs true to size
Style Number/Barcode: 05002-2298
Category Name: Long Wedding Guest Dresses
Price: $14.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Marlyne Halter Open Back Formal Dress
Special Occasion
Effortless and ethereal, the Marlyne formal dress moves like a warm breeze. Designed in airy organza fabric with a halter neckline and chic O-ring accent, its free-flowing A-line silhouette and open back create an easy elegance that’s perfect for sunset dinners or coastal soirées.
Fit & Features
- Lightweight organza shimmer woven fabric, woven lining
- Halter neckline with hoop insert, tie straps
- Open back design
- Hidden side pockets
- Flowy A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Destination weddings, garden ceremonies, sunset dinner parties, resort vacations, cocktail events, bridal showers, wedding showers, rehearsal dinners, birthday celebrations
Style Number/Barcode: 05002-000751
Category Name: Long Wedding Guest Dresses
Price: $79.90
Availability: In Stock
Available Color: BROWN
Available Size: S
Product Badge:- Ships Free
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Romance Era Floral Lace-Up Back Long Mermaid Dress
Usher in the romance with a long mesh dress that features a sleeveless cowl neckline, spaghetti straps, a floral print, a bold lace-up back design, and a mermaid silhouette. Complete your gorge fit with platform heels for the ultimate date night look!
Fit & Features
- Sheer mesh fabric with knit lining, plenty of stretch
- Floral print
- Sleeveless cowl neckline
- Spaghetti straps
- Lace-up back design
- Long mermaid silhouette
- Runs true to fit
Style Number/Barcode: 05101-3810
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Everley Lace-Up Slit Mermaid Crepe Formal Dress
Special Occasion
A sleeveless crepe formal dress boasts a square neckline, striking lace-up back, and a high front slit to show some skin along the mermaid silhouette. Style with a necklace for any formal event.
Fit & Features
- Crepe fabric, bust knit lining, moderate stretch
- Square neckline
- Shoulder straps
- Lace-up back, lower zipper and hook-eye closure
- Front slit
- Mermaid floor-length fit
- Runs true to size
Style Number/Barcode: 05002-8650
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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Lydia Floral A-Line Dress
Special Occasion
Enchant them all as you walk right past them in our beautiful Lydia! Her flowy silhouette enhances the way you enter (and exit!) a room.
Fits & Features
- Deep V Neckline I Pleating Accents At The Bust
- Adjustable Spaghetti Straps Cross At The Back
- Back Zip With Hook & Eye Closure
- Flowy, Floor Length Skirt I A-Line Silhouette I Mini Length Lining
- Chiffon Fabric I Floral Prints Throughout
- Relax Fit
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0663
Category Name: Long Wedding Guest Dresses
Price: $9.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
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Kelsie Glitter Knit Mermaid Formal Dress
Special Occasion
When the night calls for something unforgettable, the Kelsie gown answers in shimmering glitter knit that skims every curve with intention. Designed with a scoop neckline, adjustable spaghetti straps, and a cutout back with mesh trim and hook closure straps, this mermaid silhouette is finished with side ruched seams for a sculpted, confidence-first fit.
Fit & Features
- Glitter knit fabrication with smooth knit lining
- Scoop neckline, padded bust, adjustable spaghetti straps
- Cutout back with mesh trim and hook closure straps
- Back zipper and hook-eye closure
- Mermaid ruched silhouette hugs curves
- Floor-length hem
- Runs true to size
Where to Wear:
HOCO, galas, weddings, black tie balls, awards ceremony, red carpet event, milestone birthday event, fancy brunches
Style Number/Barcode: 05002-000664
Category Name: Long Wedding Guest Dresses
Price: $89.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Julietta One Shoulder Mermaid Formal Dress
Special Occasion
Radiate elegance and modern style in the Julietta formal dress to make a memorable statement. The gown boasts a sleek one-shoulder design and a tasteful cutout that contours your silhouette with a flattering mermaid fit.
Fit & Features
- Smooth knit fabric, stretchy knit lining
- One-shoulder neckline
- Side cutout with attached sash
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, black tie galas, formal events, cocktail soirees, big birthday celebrations, engagement parties, rehearsal dinners
Style Number/Barcode: 05002-000124
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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Lylah Lace Cowl Neck Mermaid Dress
Special Occasion
Showcase your beauty in the Lylah formal dress designed with a dainty floral lace fabric with a full lining. It features a sleeveless sweetheart neckline with a structured padded bust, a draped cowl neck overlay for a feminine touch, adjustable spaghetti straps for a customized fit, and a floor-length mermaid silhouette to highlight your curves.
Fit & Features
- Sheer floral lace fabric with knit lining, moderate stretch
- Sweetheart neckline, structured padded bust, draped cowl neck overlay
- Adjustable spaghetti straps
- High waist seam
- Back zipper with hook-eye closure, lower back ruching
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8905
Category Name: Long Wedding Guest Dresses
Price: $9.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Zen Floral Chiffon Dress
Special Occasion
Bring the romance with a formal dress that shows off your sweet side at prom. Zen features a gorgeous floral print, a sleeveless square neckline, and adjustable spaghetti straps that lead to a cross-back design. Her slim-fit bodice leads to a flowy A-line silhouette accented with a stunning high side slit. She is composed of a lined chiffon fabric that offers a relaxed fit with minimal stretch. Complete your look with duster earrings.
Fit & Features
- Sleeveless square neckline, adjustable spaghetti straps
- Adhesive bra friendly
- Cross-back strap design
- A-line silhouette, side slit
- Floral print
- Lined chiffon fabric
- Relaxed fit, minimal stretch
- Runs true to size
Style Number/Barcode: 05002-1845
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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Mesh Long Sleeve Deep V Mini Dress
Dress to impress in this mesh mini dress! Add some rhinestone heels and earrings and step out in style.
Fits & Features
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Plunging V Neckline
- Sheer Long Sleeves I Puff Shoulders
- Back Zipper With Hook & Eye Closure
- Mini Length Silhouette | Ruching Along The Wrap Skirt
- Mesh Lined Fabric
- Form Hugging Fit | Ample Stretch
Style Number/Barcode: 05101-0728
Category Name: Long Wedding Guest Dresses
Price: $18.97 $46.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
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Plunging V Neckline
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Joy Iridescent Sequin Mermaid Dress
Special Occasion
Let our lovely Joy and her shimmering sequins do all the talking! Glow on in this glam dress!
Fits & Features
- Adjustable Spaghetti Straps
- Plunging Wire V Neckline I Lightly Padded Bust
- Back Zip With Hook & Eye Closure
- Floor Length Hemline I Slimming, Mermaid Silhouette
- Mesh Lined Fabric With Scroll Pattern Iridescent Sequins
- Curve Hugging Fit I Moderate Stretch
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0539
Category Name: Long Wedding Guest Dresses
Price: $19.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
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Analia Halter Slit Mermaid Sequin Formal Dress
Special Occasion
With light-catching sequins, a sultry open back, and a halter V-neckline, the Analia mermaid sequin formal dress takes inspiration from Hollywood glamour! Perfect for prom, upscale birthdays, or banquets, you'll truly shine in a light. The sequin scroll pattern and mesh fabric exude luxury, making you the center of attention at any formal event. With a high-side slit and mermaid silhouette, this dress elongates your figure and adds a touch of sophistication. Complete the look with strappy heels and jewelry for a breathtaking evening out!
Fit & Features
- Sequin scroll pattern, mesh fabric lined with stretchy knit
- Halter V-neckline, padded bra cups
- Back zipper and hook-eye closure
- High side slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8161
Category Name: Long Wedding Guest Dresses
Price: $9.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale