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.
Now Trending
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.
-
Irina Floral Chiffon A-Line Dress
Special Occasion
Look fabulous in florals with our beautiful Irina! Her flowy skirt and long sleeves are a dreamy and elegant touch to her form-flattering silhouette.
Fits & Features
-
Plunging v neckline
- Unlined long sleeves, three-button cuff
- Dual button closure at the nape of the neck
- Open back with smocked detailing
- A-line silhouette, mini skirt length lining
- Floral print, chiffon fabric
- Relaxed fit, minimal stretch, runs true to size
Style Number/Barcode: 05002-0460
Category Name: Long Wedding Guest Dresses
Price: $14.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
-
Plunging v neckline
-
Elara Off Shoulder Slit Mermaid Formal Dress
Special Occasion
Designed for evenings that call for quiet drama, the Elara gown moves with a sculpted elegance that feels both modern and timeless. The off-the-shoulder neckline and mesh long sleeves frame the silhouette beautifully, while the fitted mermaid shape brings a polished, unforgettable finish.
Fit & Features
- Stretch mesh fabric with smooth lining
- Off-the-shoulder neckline with sheer long sleeves, padded bra cups
- Structured corset-style seaming through the bodice
- Back zipper and hook-eye closure
- Wrap-style high front slit
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Weddings, black tie events, holiday parties, winter formals, upscale ballroom receptions, charity dinners, anniversaries, big birthday events, fancy cocktail parties
Style Number/Barcode: 05002-000564
Category Name: Long Wedding Guest Dresses
Price: $69.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S
-
Timeless Mood Ruched Midi Dress
Level up your style in this bodycon dress. With a sleek midi length, flattering ruching, and delicate straps, this dress is made for every RSVP on your calendar.
Fit & Features
- Mesh-lined stretchy fabric
- Cowl neckline
- Adjustable spaghetti straps
- Ruched bodycon fit
- Midi-length hem
- Runs true to size
Style Number/Barcode: 05101-000665
Category Name: Long Wedding Guest Dresses
Price: $20.97 $45.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Veronica Formal Floral Chiffon A-Line Dress
Special Occasion
Fresh, floral, and ready for your spring formal! The Veronica chiffon a-line dress is all romance in her effortless, sleeveless bodice with delicate details everyone will be swooning for. She features a plunge v-neckline with pleating and adjustable spaghetti straps that cross in the back on the open design. Her a-line silhouette flows into a floor-length hem to elongate your figure while creating an hourglass appearance. The formal dress is composed of an airy chiffon overlay with an inner knit lining. Complete the look in an elegant hairpiece for a stunning updo.
Fit & Features
- Plunge v-neckline, pleating, adjustable spaghetti straps
- Adhesive bra recommended
- Open-back design, cross straps, zipper closure
- A-line silhouette
- Floor-length hem
- Airy floral chiffon overlay, inner lining, no stretch
- Fits true to size
Style Number/Barcode: 05002-1886
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Camila Floral Lace Ruffle Formal Dress
Special Occasion
This is the kind of formal dress that already brings the styling drama. The Camila floral lace formal dress pairs a V-neckline, spaghetti straps, and cascading ruffle detail for a look that feels finished with minimal effort. Add sleek heels and let the open lace-up back complete the outfit.
Fit & Features
- Floral lace fabric lined with stretch knit
- V-neckline, padded bra cups
- Spaghetti straps
- Cascading ruffle detail
- Open lace-up back, lower zipper and hook-eye closure
- Runs true to size
Where to Wear:
Weddings, rehearsal dinners, engagement parties, homecoming, cocktail parties, anniversaries, honeymoons, vacations, resort getaways, formal events
Style Number/Barcode: 05002-001685
Category Name: Long Wedding Guest Dresses
Price: $74.90
Availability: Out of Stock
Product Badge:- Ships Free
-
Brenda One-Shoulder Formal Dress
Special Occasion
Make major style moves in the sleek and stunning Brenda formal dress! She features a sleeveless asymmetrical one-shoulder neckline with a bold front cutout above the bust, a single shoulder strap, a corset-designed bodice with flexible boning, and a fitted floor-length skirt with a chic wrap-front silhouette creating a slit. The smooth satin-knit fabric offers a moderate stretch. Complete the look with hoop earrings.
Fit & Features
- Sleeveless asymmetrical one-shoulder neckline
- Adhesive bra recommended
- Front cutout, single shoulder strap
- Corset-designed bodice, flexible boning, back zipper, hook and eye closure
- Floor-length skirt, wrap-front silhouette, front slit
- Satin-knit fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-2012
Category Name: Long Wedding Guest Dresses
Price: $19.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
-
Sahara Lace Up Back Wrap Dress
Special Occasion
Strike a pose in our sizzling Sahara wrap dress! She features a deep V neckline with bar accent detailing, a wrap front and a thigh-high slit. Pair this gorgeous formal dress with some strappy heels and dazzling rhinestone duster earrings.
Fits & Features
- Adjustable spaghetti straps
- Plunging V neckline with three bar accents
- Lace-up back
- Floor length hem with a wrap skirt and front slit
- Smooth tricot fabric
- Form-hugging fit
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0685
Category Name: Long Wedding Guest Dresses
Price: $14.97 $49.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
- Adjustable spaghetti straps
-
Vanessa Lace-Up Mermaid Formal Dress
Special Occasion
An entrance-maker in every sense, the Vanessa dress skims the body in smooth knit fabric before flaring into a sculpted mermaid silhouette made for candlelit receptions and black-tie soirées. Finished with a strappy lace-up back and softly draped neckline, it’s the kind of gown that turns a simple RSVP into a style moment.
Fit & Features
- Smooth knit-lined stretch fabric
- Sweetheart cowl neckline, wide straps
- Strappy lace-up back, lower zipper and hook-eye closure
- Side ruched seams
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, weddings, bridesmaids, black tie galas, garden parties, milestone birthdays, engagement celebrations, fancy soirees
Style Number/Barcode: 05002-000602
Category Name: Long Wedding Guest Dresses
Price: $29.97 $69.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Rosalina Strappy Back Sequin Mermaid Dress
Special Occasion
Serve chic looks at your next formal affair in the Rosalina strappy back sequin mermaid dress! Crafted with all-over sequin embroidery on the lined mesh fabric, this long formal dress will spark up the gorgeous glamour. Her bodice is shaped with a sleeveless V-neckline and spaghetti straps, leading to an alluring open back with a cross-back strappy design and a tie closure. Her fitted high waist is accented with angled side cutouts that lead to the backless design. Her floor-length mermaid silhouette is accented with a high-cut front slit to reveal some leg. Complete your look with rhinestone fringe earrings.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- All-over sequin embroidery
- V-neckline with padded bust, spaghetti straps
- Open back, cross-back strappy design, lower zipper with hook and eye closure
- High waist seam, angled side cutouts, ruching
- High front slit, mermaid fit
- Runs true to size
Style Number/Barcode: 05002-8295
Category Name: Long Wedding Guest Dresses
Price: $9.97 $79.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Patricia Glitter Cowl Neck Column Dress
Special Occasion
The sparkling Patricia glitter formal dress makes the perfect entrance at dances and fancy parties! The shimmering floor-length dress showcases a flattering cowl neckline leading to the column silhouette that accentuates your curves.
Fit & Features
- Glitter fabric, stretchy knit lining
- Cowl neckline, padded bra cups
- Spaghetti straps
- Ruched side seams
- Column silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, weddings, red-carpet events, and fancy parties.
Style Number/Barcode: 05002-9070
Category Name: Long Wedding Guest Dresses
Price: $19.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Halle Corset Ruffle A-Line Floral Formal Dress
Special Occasion
Cascading with romantic ruffles, the Halle floral formal dress is something of a dream! Be a vision in this gown at weddings, banquets, and fancy soirees. Made from an airy mesh fabric with a gorgeous floral print, you'll be a breath of fresh air. Boasting a V-neckline and adjustable spaghetti straps for a tailored fit, this dress also features padded bra cups for coverage. The sheer corset bodice pleated ruching and flexible boning add a touch of allure, while the A-line ruffled silhouette and floor-length hem exude glamour. Complete the look with a beautiful hair headband, clutch, and heels for a decadent style!
This dress brings the drama. Want more? Turn up the volume in a showstopping ruffle prom dress or make a statement in our sleek party dresses.
Fit & Features
- Floral print, mesh fabric lined with stretchy knit
- Padded bra cups
- Adjustable spaghetti straps
- Sheer corset bodice, pleated ruching, flexible boning
- Back zipper and hook-eye closure
- Ruffled A-Line silhouette, floor-length
- Runs true to size
Style Number/Barcode: 05002-7865
Category Name: Long Wedding Guest Dresses
Price: $19.97 $139.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Floral Instinct Tie Back Maxi Dress
Romantic with a wild streak. This halter maxi dress mixes abstract rose and animal prints with a lace-trim bust and open tie back—perfect for day or night out plans.
Fit & Features
- Abstract animal rose print, mesh-lined fabric, moderate stretch
- Halter plunge neckline, tie closure
- Lace bust
- Open tie back design
- Curve-hugging silhouette
- Maxi-length hem
- Runs true to size
Style Number/Barcode: 05102-000279
Category Name: Long Wedding Guest Dresses
Price: $9.97 $44.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Athena Corset Mermaid Glitter Formal Dress
Special Occasion
Get whisked away in the Athena glitter formal dress by your date for weddings or prom! A sweetheart cowl neckline and adjustable spaghetti straps create a flattering silhouette, while the corset bodice and padded bra cups provide support and flexibility. The mermaid silhouette and high front wrap slit add a touch of drama to this floor-length dress, crafted from glitter knit fabric. Complete the look with teardrop earrings and strappy rhinestone heels.
Fit & Features
- Glitter knit fabric lined with stretchy knit
- Adjustable spagehtti straps
- Back zipper and hook-eye closure
- Sweetheart cowl neckline, padded bra cups
- Flexible boning
- High front wrap slit, Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8449
Category Name: Long Wedding Guest Dresses
Price: $19.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Blake Formal Strapless Feather Mermaid Dress
Special Occasion
Revive your inner glam diva in this Blake formal dress - a stunning style to wear for award banquets or anniversary parties! She features a strapless feathered neckline, a side pleated seam that creates the wrap-style mermaid silhouette with a slit, and a floor-length hem. The formal dress is composed of a stretchy lined knit fabric with a subtle sheen effect. Complete the look with an envelope clutch and heels.
Fit & Features
- Strapless feathered neckline
- Back zipper and hook-eye closure
- Side pleated seam
- Wrap-style mermaid silhouette, front slit, floor-length hem
- Lined stretchy knit fabric, subtle sheen effect
- Strapless bra or pasties recommended
- Runs true to size
Style Number/Barcode: 05002-6961
Category Name: Long Wedding Guest Dresses
Price: $86.90
Availability: Out of Stock
Product Badge:- Sale
-
Saphira Formal Open Back Mermaid Dress
Special Occasion
Make an entrance that will enchant from all your best angles! Saphira features a sleeveless V-neckline, adjustable spaghetti straps, a chic cross-back strap design, a pleated faux wrap overlay at the waist, and a mermaid silhouette. She is composed of a lined satin fabric that offers a form-hugging fit with a slight stretch. Complete the look with rhinestone heels and a sphere clutch.
Fit & Features
- Sleeveless V-neckline, adjustable spaghetti straps
- Cross-back strap design, ruching at the lower back
- High waist, pleated faux wrap overlay
- Mermaid silhouette
- Lined satin fabric
- Form-hugging fit, slight stretch
- Sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-2306
Category Name: Long Wedding Guest Dresses
Price: $9.97 $74.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Clearance
-
Ryder Satin A-Line Gown
Special Occasion
Have a fun and adventurous night in our Ryder! She features a modest V neckline and double spaghetti straps that lead to a square back and a zipper closure. Her bodice is fitted and meets horizontal hemline mid waist. Her skirt flows out into an A-line design and features a side slit detailing that meets mid thigh. Her hem hits ankle length which makes her easy to dance and move around in! She is composed of a satin like material that offers slight stretch.
Rose: Model is 5'9" with a 32" bust, 24.5" waist and 35" hips. She is wearing a size small.
Red: Model is 5'6.5" with a 32" bust, 23.5" waist and 35" hips. She is wearing a size small.
Special Occasion products cannot be returned to any retail locations.
Style Number/Barcode: 05002-0179
Category Name: Long Wedding Guest Dresses
Price: $34.97 $99.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Delanie Formal High Slit Mermaid Dress
Special Occasion
Make a head-turning impression with a formal dress that wows from the moment you enter the room! Delanie features a plunging V-neckline, long chiffon sleeves with a swiss dot pattern, and the back features a daring open-back design. Her high-rise waist leads to a mermaid silhouette that is accented with a daring high side slit. Complete your formal outfit with rhinestone heels and a clutch.
Fit & Features
- V-neckline, long chiffon sleeves, swiss dot pattern
- Strapless or adhesive bra recommended
- Open back
- High waist
- Mermaid silhouette, high side slit
- Lined smooth knit fabric
- Form-hugging fit, moderate stretch
- Runs true to size
Style Number/Barcode: 05002-1921
Category Name: Long Wedding Guest Dresses
Price: $14.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Mikayla Off-Shoulder Mermaid Floral Formal Dress
Special Occasion
From the curve-hugging mermaid silhouette to the gorgeous floral print, the Mikayla formal dress showcases your natural beauty!
Fit & Features
- Floral print, mesh fabric, stretchy knit lining
- Off-shoulder neckline
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Weddings, garden parties, bridal and wedding showers, dinner parties, dressy date nights
Style Number/Barcode: 05002-000068
Category Name: Long Wedding Guest Dresses
Price: $19.97 $54.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Constance Satin A-Line Formal Dress
Special Occasion
Designed for elegant entrances and unforgettable evenings, the Constance dress moves with quiet confidence and timeless allure. Crafted in satin with a strapless neckline and fluid A-line silhouette, it delivers graceful drama through soft pleating and a sweeping floor-length hem.
Fit & Features
- Premium satin fabric, crepe bonded hem lining
- Strapless neckline, padded bra cups, non-slip grip lining
- Back zipper and hook-eye closure
- Form-hugging bodice, asymmetric low waist seam
- A-line pleated silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie weddings, galas, balls, formal celebrations, nights at the opera, award dinners, fancy date nights, anniversary parties, fashion-forward events
Style Number/Barcode: 05002-001462
Category Name: Long Wedding Guest Dresses
Price: $19.97 $119.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Casually Chic Smooth Knit Fitted Maxi Dress
This smooth knit fitted maxi dress is the casually chic style you need to elevate your 'fits. It features a strapless straight-across neckline, an all-over curve-hugging silhouette, a maxi-length hem, and a trendy back slit accent. The smooth knit fabric includes an airy sheer mesh lining and offers plenty of stretch for comfortable wear. Complete your looks with strappy mules and a mini handbag.
Fit & Features
- Strapless straight-across neckline
- Curve-hugging silhouette
- Maxi-length hem
- Back slit
- Smooth knit fabric, sheer mesh lining, plenty of stretch
- Runs true to size
Style Number/Barcode: 05102-5175
Category Name: Long Wedding Guest Dresses
Price: $5.97 $42.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Idina Formal Chiffon Slit Long Dress
Special Occasion
The Idina formal dress delivers all the romance for bridesmaids, wedding guests, or dressy family parties! She features adorable puff short sleeves, a square neck, a ruched bust with a flirty tie, and a flowy silhouette that creates the wrap-style high slit along her floor-length hem. The formal dress is composed of airy chiffon fabric with a stretchy knit lining. Complete the look in a statement necklace and earrings set.
Fit & Features
- Puff short sleeves, square neck
- Ruched bust with tie
- Back zipper and hook-eye closure
- Flowy, wrap-style high front slit
- Floor-length hem
- Airy chiffon fabric, stretchy knit lining
- Runs true to size
Style Number/Barcode: 05002-6828
Category Name: Long Wedding Guest Dresses
Price: $9.97 $64.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Ships Free
-
Lesley Satin Mermaid Formal Dress
Special Occasion
The Lesley satin mermaid gown skims every curve with an effortlessly polished finish. Featuring delicate tie shoulder straps and soft ruching through the bodice, it’s the kind of look that turns a simple RSVP into a full style moment.
Fit & Features
- Stretch satin fabric, knit lining
- Scoop neckline, padded bra cups
- Tie adjustable shoulder straps
- Back zipper hook-eye closure
- Mermaid floor-length silhouette
- Runs true to size
Where to Wear:
Prom, wedding guests, bridesmaids, black-tie galas, formal milestone celebrations, anniversaries, rehearsal dinners, engagement parties, and big birthday events.
Style Number/Barcode: 05002-000688
Category Name: Long Wedding Guest Dresses
Price: $19.97 $59.90
On Sale: Yes
Availability: In Stock
Available Color: CHAMBRAY
Available Size: XS, S
Product Badge:- Sale
-
Astrid High-Slit Glitter Mermaid Dress
Special Occasion
Radiate glamour in a long glitter dress that features a sleeveless sweetheart neckline with a draped cowl neck overlay, spaghetti straps, and a captivating mermaid silhouette that is accented with a high side slit. Complete your formal outfit with a rhinestone clutch.
Fit & Features
- Glitter knit fabric with knit lining at the bust, plenty of stretch
- Sweetheart neckline with padded bust, draped cowl neck overlay
- Spaghetti straps
- Long length hem
- High side slit
- Mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-8872
Category Name: Long Wedding Guest Dresses
Price: $29.97 $59.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale
-
Kate Formal Metallic Open Back Mermaid Dress
Special Occasion
Look instantly glamorous in this Kate formal metallic long dress for a captivating debut at black-tie parties and banquets! Sleek straps and an alluring open-back design make this floor-length dress truly stand out. While the slinky metallic-lined fabric provides a sublime shimmer, the cowl neckline and mermaid silhouette create an elegant, luxurious finish. Complete the look with fringe earrings and heels.
Fit & Features
- Sleeveless cowl neckline
- Dual spaghetti straps, open strappy back design
- Mermaid silhouette
- Floor-length hem
- Slinky metallic fabric, sublime shine, stretchy knit lining
- Pasties or sticky bra recommended
- Runs true to size
Style Number/Barcode: 05002-7851
Category Name: Long Wedding Guest Dresses
Price: $39.97 $84.90
On Sale: Yes
Availability: Out of Stock
Product Badge:- Sale