New Formal Dresses
Discover our latest collection of formal midi, long dresses, and gowns, featuring daily drops of fresh designs. From chic cocktail dresses to elegant black-tie gowns, these elegant pieces are your go-to ensembles for your next formal occasion. Whether you're a wedding guest or attending a gala, our new arrivals in formal dresses ensure an unforgettable look for any event.
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New Arrival Formal Dresses for Every Special Occasion
Step into the spotlight with Windsor's New Arrival Formal Dresses, where timeless elegance meets current fashion trends. Whether you're dressing for a winter wedding, a spring gala, or Prom night, our collection offers floor-length dresses and evening gowns designed to make every moment unforgettable.
Explore a variety of new formal dresses featuring luxurious fabrics like satin, chiffon, and velvet, tailored in modern silhouettes with romantic details. From sleek and fitted styles to flowy A-line gowns, each dress reflects the latest new formal dress trends seen on social media and beyond.
Make a statement in new blue gowns, a trending color perfect for winter or spring weddings, college formals, or spring balls. Choose deep navy tones for winter sophistication or soft, airy blues for a fresh seasonal look. If you're attending a pageant or gala, discover bold jewel tones, delicate pastels, and classic black options to match your mood and event theme.
Elevate your formal wardrobe with designs featuring glamorous details like plunging necklines, statement sleeves, and elegant floor-length skirts that sweep the room with every step. Style your look with sparkling jewelry, strappy heels, and a chic clutch to complete your ensemble.
Whatever the occasion—be it a winter formal, spring wedding, or Prom—our New Arrival Formal Dresses will have you feeling confident and looking stunning. Browse Windsor’s newest collection today and find the perfect dress for your next special event!
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Elaine Open Back High Slit Mermaid Dress
Special Occasion
Create a chic and stunning look for your black-tie parties in the Elaine mermaid dress designed with a bold open back and an alluring high-cut slit.
Fit & Features
- Crepe fabric with moderate stretch
- Pleated cowl neckline
- Tank-like shoulder straps
- Open back, bar strap, lower zipper closure
- Pleating, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Weddings, black-tie parties, and fancy affairs.
Style Number/Barcode: 05002-9604
Category Name: New Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Idra Lace Corset Satin Wrap Formal Dress
Special Occasion
Love a sultry glam look? Dare to turn heads in the Idra satin wrap formal dress designed with a sheer lace corset bodice and high-cut slit for all the allure.
Fit & Features
- Satin knit fabric
- Sweetheart neckline with pleated cowl draped overlay, adjustable spaghetti straps
- Sheer lace corset bodice, sequin embroidery, contrast piping
- Open lace-up back design, tie closure
- Pleated wrap-front design, high-cut slit
- Floor-length form-hugging silhouette
- Runs true to size
Where to Wear:
Formal weddings, galas, and black-tie affairs.
Style Number/Barcode: 05002-9048
Category Name: New Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Amanda Tie-Back Mermaid Bow Formal Dress
Special Occasion
Looking to stand out? The Amanda tie-back formal dress brings the adorable charm to your night with a sparkling sequin-beaded bow pattern that'll impress while the chiffon tie-back design turns heads.
Fit & Features
- Sequin-beaded bow pattern
- Mesh fabric lined with stretchy knit
- V-neckline, padded bra cups
- Adjustable spaghetti straps
- Chiffon tie-back, lower zipper and hook-eye closure
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, banquets, weddings
Style Number/Barcode: 05002-9517
Category Name: New Formal Dresses
Price: $139.90
Availability: In Stock
Available Color: PINK-2
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Becky V-Neck Tie-Back Slit Mermaid Dress
Special Occasion
Impress every guest in the sophisticated Becky mermaid formal dress! Designed to wow, this formal dress boasts a tie-back design and high front slit for effortless movement and allure.
Fit & Features
- Smooth knit stretchy fabric
- V-neckline
- Spaghetti halter straps
- Tie-back design, lower zipper closure
- High front slit
- Mermaid silhouette, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie galas, weddings, and fancy events.
Style Number/Barcode: 05002-9551
Category Name: New Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Jessie Sweetheart Mermaid Sequin Formal Dress
Special Occasion
Sparkle all night long in the Jessie sequin formal dress designed to shimmer, this mermaid floor-length gown will ensure all eyes are on you!
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered scroll pattern
- Sleeveless sweetheart neckline, padded bust
- Adjustable spaghetti straps
- High waist seam, back zipper with hook-eye closure
- Floor-length mermaid silhouette
- Runs true to size
Style Number/Barcode: 05002-9155
Category Name: New Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: WINE
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Cassandra Lace-Up Wrap Mermaid Satin Formal Dress
Special Occasion
A special evening begins in the Cassandra satin formal dress with a lace-up back and mermaid silhouette to make you fall in love!
Fit & Features
- Stretch satin fabric
- Cowl sweetheart neckline
- Spaghetti straps
- Lace-up back
- Mermaid wrap silhouette
- High slit, floor-length hem
- Runs true to size
Where to Wear:
Prom, black-tie parties, weddings, and galas
Style Number/Barcode: 05002-9521
Category Name: New Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: HUNTER
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Drea Glitter Sequin Lace-Up A-line Formal Dress
Special Occasion
Capture that ethereal glamour in the Drea A-line formal dress crafted with lined tulle fabric and a gorgeous floral glitter and sequin design. The open lace-up back offers a customized fit and an alluring look to turn heads.
Fit & Features
- Sheer tulle fabric with full-length satin woven lining, no stretch
- Floral glitter and sequin design
- Sleeveless square neckline, padded bust, underbust seam
- Spaghetti straps, open cross-back lace-up strappy design
- Lower back zipper with hook-eye closure
- High waist seam, hidden side pockets
- Floor-length A-line silhouette, high front slit
- Runs true to size
Where To Wear:
Prom, balls, galas, and fancy affairs.
Style Number/Barcode: 05002-8979
Category Name: New Formal Dresses
Price: $109.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Alison Strapless Slit A-Line Satin Formal Dress
Special Occasion
Step out looking breathtaking in the Alison satin formal dress designed with a sultry high slit for effortless movement and an A-line silhouette that flatters your curves.
Fit & Features
- Stretch satin lined fabric
- Strapless neckline, padded bra cups
- Back zipper closure
- Pleated bodice
- High side slit
- A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, galas, black-tie parties, and formal weddings
Style Number/Barcode: 05002-9326
Category Name: New Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: NAVY
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Maude Strapless High Slit Mermaid Dress
Special Occasion
Classic with a chic allure will be your vibe in the Maude strapless mermaid dress. The pleated wrap-front design creates a high-cut slit that will turn heads.
Fit & Features
- Crepe fabric with moderate stretch
- Strapless sweetheart neckline with surplice design
- Pleated bodice
- Back zipper closure
- Pleated wrap-front design, high-cut slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Black-tie weddings, galas, and formal dinner parties.
Style Number/Barcode: 05002-9223
Category Name: New Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Mandy Lace-Up Slit Mermaid Sequin Formal Dress
Special Occasion
Glitter with glamour in the Mandy sequin formal dress designed with a lace-up back that captures attention and a stunning mermaid silhouette that flaunts your figure.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered floral pattern
- Sleeveless square neckline, pleated cowl draped overlay
- Spaghetti straps, open lace-up strappy back design
- Flexible boning, high waist seam, lower back zipper with hook-eye closure
- High front slit, floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, weddings, and formal parties.
Style Number/Barcode: 05002-9395
Category Name: New Formal Dresses
Price: $119.90
Availability: In Stock
Available Color: LIGHT, BLUE
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Abbey Lace-Up Slit A-Line Satin Formal Dress
Special Occasion
Make a special event even more memorable in the Abbey a-line satin formal dress showcasing the prettiest lace-up back every guest will swoon over and a sultry high slit for effortless movement.
Fit & Features
- Premium satin fabric, lined
- Halter V-neckline
- Lace-up back
- Hidden side pockets
- High front slit, A-line silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, bridesmaids, black-tie weddings, formal parties, and balls.
Style Number/Barcode: 05002-8977
Category Name: New Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: ROSE
Available Size: 1, 3, 5, 7, 9, 11, 13
Product Badge:- Ships Free
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Kelsey Halter Printed Mermaid Formal Dress
Special Occasion
Dare to stand out in the stunning Kelsey formal dress at dressy occasions this party season! Crafted from an abstract print mesh fabric, this floor-length dress delivers unique style and sultry details like a halter neckline and mermaid silhouette that flaunts your figure. Pair with earrings.
Fit & Feaures
- Abstract print, mesh fabric lined with stretchy knit
- Halter V-neckline, padded bra cups
- Back zipper and hook-eye closure
- Side ruched seams
- Mermaid silhouette
- Floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9240
Category Name: New Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: PLUM
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Andrea Cutout Slit Mermaid Sequin Formal Dress
Special Occasion
Receive endless attention for how you shine in the Andrea mermaid sequin formal dress with a cutout back that turns heads and a high slit for effortless movement all night!
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered floral scroll pattern
- Sleeveless square neckline, padded bust
- Adjustable spaghetti straps
- Cutout back design, hook-eye closures, lower back zipper with hook-eye closure
- High front slit, floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, galas, and formal weddings.
Style Number/Barcode: 05002-9216
Category Name: New Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: YELLOW
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Clarence Corset Slit Glitter A-Line Formal Dress
Special Occasion
Radiant shine in the Clarence glitter floor-length formal dress at dances and red-carpet events! The sleeveless gown sparkles in a corset bodice atop the flattering A-line silhouette showcasing a high front slit for sultriness. Pair with a ring set and clutch.
Fit & Features
- Glitter woven fabric, stretchy knit lining
- Sweetheart cowl neckline, padded bra cups
- Wide shoulder straps, back zipper and hook-eye closure
- Corset bodice, flexible boning
- High front slit
- A-line silhouette, floor-length hem
- Runs true to size
Style Number/Barcode: 05002-9186
Category Name: New Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: SAPPHIRE
Available Size: 1, 3, 5, 7, 9, 11, 13, 15
Product Badge:- Ships Free
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Azella Bodycon Slit Glitter Velvet Formal Dress
Special Occasion
Sparkle from every angle in the Azella glitter velvet formal dress designed to capture attention with an alluring bodycon silhouette and wrap slit.
Fit & Features
- Glitter velvet fabric, bust knit lining
- Pleated V-neck, spaghetti straps, padded bra cups
- High front wrap slit
- Bodycon silhouette
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, formal events, and black-tie weddings.
Style Number/Barcode: 05002-9105
Category Name: New Formal Dresses
Price: $64.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Klarissa Cowl Neck Mermaid Glitter Formal Dress
Special Occasion
An evening fit for a beauty like you begins in the Klarissa glitter formal dress! With a luminous shine across the mermaid silhouette, this floor-length gown ensures you'll standout out from the crowd.
Fit & Features
- Glitter knit fabric with a mini-length smooth knit lining, moderate stretch
- Sleeveless cowl neckline, padded bust
- Adjustable spaghetti straps, back zipper with hook-eye closure
- Ruched seams
- Mermaid silhouette, bonded floor-length hem
- Runs true to size
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Extra glitter for maximum sparkle - may have some natural fallout
Where to Wear:
Prom, balls, galas, and formal weddings.
Style Number/Barcode: 05002-9066
Category Name: New Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: NAVY, LAVENDER
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Clea Satin Strapless Wrap Mermaid Dress
Special Occasion
Radiate a chic allure in the Clea formal dress made with sleek stretch satin that will give off a gorgeous sheen. The pleated wrap-front design on the mermaid silhouette will flaunt your stunning curves.
Fit & Features
- Stretch satin fabric
- Strapless straight-across neckline
- Pleated wrap-front design
- Back zipper closure
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Formal weddings, galas, and black-tie events.
Style Number/Barcode: 05002-9013
Category Name: New Formal Dresses
Price: $74.90
Availability: In Stock
Available Color: TEAL
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Brigitta Glitter Lace-Up Mermaid Dress
Special Occasion
Spark up all the compliments in the Brigitta glitter mermaid dress that is glam perfection. Designed with a lace-up back and ruching, you'll love the form-hugging silhouette.
Fit & Features
- Glitter knit fabric
- V-neckline with ruched bust
- Spaghetti straps
- Open cross-back strappy design, tie closure
- Ruched waist and lower back, zipper closure
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, galas, black-tie weddings, and red-carpet events.
Style Number/Barcode: 05002-9037
Category Name: New Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: DENIM, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Mariah Lace-Up Slit Sequin Formal Dress
Special Occasion
Outshine everyone on the dance floor in the Mariah sequin floor-length dress showcasing a lace-up back that captures attention and a high front slit for effortless movement.
Fit & Features
- Sheer mesh fabric with full-length knit lining, moderate stretch
- Sequin embroidered scroll pattern
- Sleeveless square neckline, padded bust
- Spaghetti straps, open lace-up back, lower back zipper with hook-eye closure
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, fancy celebrations, and red-carpet events.
Style Number/Barcode: 05002-9281
Category Name: New Formal Dresses
Price: $99.90
Availability: In Stock
Available Color: CORAL
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Exceptional Guest Strapless Lace-Up Floral Maxi Dress
Spend your evening looking exceptional in this strapless floral print maxi dress at weddings or parties. The dress is designed with a stunning lace-up back, a flattering mermaid silhouette, and a draped maxi-length hem for a gorgeous look.
Fit & Features
- Floral print, smooth knit-lined stretchy fabric
- Strapless neckline
- Lace-up back
- Mermaid silhouette
- Draped maxi-length hem
- Runs true to size
Style Number/Barcode: 05101-3823
Category Name: New Formal Dresses
Price: $49.90
Availability: In Stock
Available Color: GRAY
Available Size: XS, S, M, L
Product Badge:- New Arrival
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Alessa Lace-Up Corset A-Line Ball Gown
Special Occasion
Have your princess moment in the Alessa corset ball gown that'll capture the heart of your Prince Charming! This gown is designed with a gorgeous corset lace-up bodice and A-line silhouette that flatters every figure.
Fit & Features
- Glitter tulle fabric, multiple tulle and premium satin linings
- Sweetheart neckline, padded bra cups, adjustable spaghetti straps
- Lace-up back, zipper and hook-eye closure
- Corset sheer bodice, flexible boning, rhinestone and embroidery details
- A-line silhouette
- Floor-length bonded hem
- Runs true to size
Where to Wear:
Prom, balls, and red-carpet events.
Style Number/Barcode: 05004-0275
Category Name: New Formal Dresses
Price: $129.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L, XL
Product Badge:- Ships Free
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Judy Open Back Slit Mermaid Satin Formal Dress
Special Occasion
Get ready for gram-worthy pics in the Judy satin formal dress all night! Boasting an open cross-back strappy design that turns heads and a mermaid silhouette with a high slit that perfectly flaunts your figure.
Fit & Features
- Stretch satin fabric with full-length knit lining
- Sleeveless halter plunge V-neckline, padded bust
- Open back with cross-back strappy design, lower back zipper with hook-eye closure
- Pleated waist
- High front slit
- Floor-length mermaid silhouette
- Runs true to size
Where to Wear:
Prom, black-tie parties, weddings, and red-carpet events.
Style Number/Barcode: 05002-9656
Category Name: New Formal Dresses
Price: $79.90
Availability: In Stock
Available Color: ROYAL
Available Size: XS, S, M, L
Product Badge:- Ships Free
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Rory Sweetheart Slit Bodycon Lace Formal Dress
Special Occasion
Enter the room in the charming Rory lace formal dress. With a flattering bodycon silhouette, high front slit, and flowy floor-length hem, you'll swoon everyone!
Fit & Features
- Lace fabric lined with stretchy knit
- Sweetheart neckline, padded bra cups
- Adjustable spaghetti straps
- Back zipper and hook-eye closure
- High front slit
- Bodycon silhouette
- Flowy floor-length hem
- Runs true to size
Where to Wear:
Weddings, prom, black tie parties and events
Style Number/Barcode: 05002-8950
Category Name: New Formal Dresses
Price: $69.90
Availability: In Stock
Available Color: WHITE, BLACK
Available Size: XS, S, M, L, XL
Product Badge:- New Arrival
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Celine Cold Shoulder Corset Slit Bodycon Formal Dress
Special Occasion
For a night under the stars, the Celine floor-length formal dress will ensure you look mesmerizing! With a sultry cold shoulder and sheer lace corset bodice, this dress ensures all eyes are on you while the high front slit provides effortless movement.
Fit & Features
- Smooth knit fabric, lined
- Cold shoulder sweetheart neckline, adjustable spaghetti straps
- Sheer lace corset bodice
- Back zipper closure
- Bodycon silhouette, high front slit
- Floor-length hem
- Runs true to size
Where to Wear:
Prom, black tie galas and weddings, balls
Style Number/Barcode: 05002-8974
Category Name: New Formal Dresses
Price: $89.90
Availability: In Stock
Available Color: BLACK
Available Size: XS, S, M, L
Product Badge:- Ships Free