Black Formal Dresses

Looking for the perfect black formal dress? Go glam with flowy A-line gowns, long mermaid-styles, or elegantly sophisticated midis. Satin fabrics and glitter accents add a luxe feel, while sequins and rhinestones bring on the sparkle. With strapless, halter, off-the-shoulder, and open-back designs to choose from, you’ll turn heads at any special occasion. Get ready to stun in the perfect black forma dress.

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BLACK FORMAL DRESSES
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Elegant Black Formal Dresses for Every Winter Occasion

Welcome the season in style with Windsor’s chic collection of black formal dresses designed to make you feel fabulous at every event. Whether you're attending a wedding, a black-tie party, or preparing for Prom 2025, find styles ranging from dramatic mermaid gowns to sophisticated semi-formal dresses. Explore luxurious fabrics like velvet, lace, and chiffon, perfect for making a statement this winter.

Our black formal dresses aren’t just fashionable—they’re crafted with comfort and practicality in mind. Many designs feature pockets, adjustable straps, and quality materials to ensure lasting wear. From flowing maxi dresses to structured trumpet gowns, each silhouette is tailored to flatter your figure and suit your style.

For semi-formal options, discover dresses with details like lace-up backs, thigh-high slits, or delicate ruffles—perfect for winter weddings or cocktail parties.

Complete your look with trendy necklines such as off-the-shoulder, sweetheart, or plunging V-neck. Add sparkle with rhinestone accessories and step out in style.

Shop Windsor’s black formal dress collection in-store or online, and update your wardrobe with pieces that will keep you looking fabulous this season!

  • Lola High Slit Satin Dress

    Special Occasion

    Make a stunning entrance at your next formal affair in the Lola high slit satin dress. This luxurious floor-length dress features a sleeveless cowl neckline, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. Perfect for weddings, black-tie events, or school dances.

    This dress is the perfect pick for Prom 2025! Not exactly your style? You’ll love other prom dresses.

    Fit & Features

    • Stretchy satin fabric, non-see-through
    • Cowl neckline
    • Spaghetti straps
    • Slim-fit bodice
    • High side slit
    • Floor-length form-hugging silhouette
    • Runs true to size

    Style Number/Barcode: 05002-1118

    Category Name: Black Formal Dresses

    Price: $39.96 $54.90

    On Sale: Yes

    Availability: In Stock

    Available Color: HUNTER, BURGUNDY, NAVY

    Available Size: L, M, XL

    Product Badge:
    • Sale
  • Sasha Formal High Slit Wrap Dress

    Special Occasion

    Create a captivating entrance in this formal wrap dress for your next soiree. All eyes are on you in this stylishly chic long formal dress with a plunging V-neckline to perfectly display a sparkling rhinestone lariat or delicate layers of dainty necklaces. The wrap-around bodice with side ruching enhances your hourglass shape, while adjustable spaghetti straps provide a customized fit. Complete this stunning semi-formal look with a rhinestone clutch and matching dazzling heels.

    Fit & Features

    • Asymmetrical wrap V-neckline
    • Adjustable spaghetti straps
    • Ruched detailing, slim-fit bodice
    • High front slit, floor-length wrap silhouette
    • Crepe fabric, moderate stretch
    • Sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-0079

    Category Name: Black Formal Dresses

    Price: $39.90

    Availability: In Stock

    Available Color: HUNTER

    Available Size: S, M

  • Morgan Formal Flocked Velvet Dress

    Special Occasion

    Enchant in this long tulle formal dress featuring a sultry plunge V-neckline and empire waist that leads to dual high front slits along the sweeping floor-length silhouette. Perfect for weddings or black tie soirees.

    Fit& Features

    • Floral flocked velvet, semi-sheer mesh with lining
    • Plunge V-neckline, adjustable spaghetti straps, cross-back design
    • High front slits, pleat details, back zipper, hook and eye closure
    • Empire waist
    • Sweeping floor-length silhouette
    • Runs true to size

    Style Number/Barcode: 05002-6274

    Category Name: Black Formal Dresses

    Price: $9.97 $64.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Rowena Sequin Mermaid Dress

    Special Occasion

    Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. She features a sleeveless square neckline with a padded bust, spaghetti straps that lead to an open back with a lace-up strap design, a high waist seam, and a fitted floor-length mermaid silhouette with a thigh-high front slit. The sheer mesh fabric includes a full knit lining and gorgeous sequins embroidered in a stunning scroll design. Style this dress with strappy stilettos.

    This dress is the perfect pick for Prom 2023! Not exactly your style? You’ll love other prom dresses.

    Fit & Features

    • Sleeveless square neckline, padded bust
    • Spaghetti straps, open back, lace-up strap design, tie closure
    • Lower back zipper with hook and eye closure
    • High waist seam
    • Fitted floor-length mermaid silhouette, high front slit
    • Sheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design
    • Runs true to size

    Style Number/Barcode: 05002-1512

    Category Name: Black Formal Dresses

    Price: $109.90

    Availability: In Stock

    Available Color: NAVY, FUCHSIA, PURPLE, NAVY-2, PINK

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Sale
  • Kaia Strapless High Slit Formal Dress

    Special Occasion

    Embrace the timeless beauty of this strapless crepe formal dress with an alluring high-side slit and corset bodice. The ruched details at the side artfully wrap around the waist to help accentuate an hourglass figure that flows gracefully to the floor.

    Fit & Features

    • Crepe fabric, moderate stretch
    • Strapless neckline
    • Faux wrap-front overlay, front boning detail
    • Back zipper closure
    • High waist seam
    • Floor-length, slim fit with a high front slit
    • Runs true to size

    Style Number/Barcode: 05002-1204

    Category Name: Black Formal Dresses

    Price: $64.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Best Seller
  • Marissa Formal Satin Cowl Neck Dress

    Special Occasion

    The Marissa long satin dress brings elegance and sultriness to your formal party. She features a sleeveless pleated cowl neckline, spaghetti straps, and an empire waist that leads to her floor-length hem with an alluring high-cut front slit. The formal dress is composed of a luxe stretch-satin fabric. Complete the look in sparkly heels and earrings.

    Fit & Features

    • Sleeveless pleated cowl neckline, spaghetti straps
    • Slim-fit bodice, empire waistline
    • High front slit, floor-length hem
    • A-line silhouette
    • Stretch-satin fabric, non-see-through, double-lined bust
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-2119

    Category Name: Black Formal Dresses

    Price: $89.90

    Availability: In Stock

    Available Color: HUNTER, NAVY, SAGE

    Available Size: XS, S, M, L

    Product Badge:
    • Best Seller
  • Myra Formal High Slit Dress

    Special Occasion 

    The Myra formal dress brings all the luxe, elevating your evening with timeless elegance! The long formal dress features a sweetheart neck with a built-in padded bust that offers support to her flattering, off-the-shoulder neckline with short-sleeve cuffs.  The flattering, relaxed fit bodice leads to a curve-hugging floor-length mermaid silhouette that is accented with a sexy high side slit. Complete your captivating formal outfit with dazzling duster earrings and open-toe heels.

    Fit & Features 

    • Off-shoulder neckline, short-sleeve cuffs
    • Sweetheart neck, built-in padded bust
    • Back zipper, hook-eye closure
    • Floor-length A-line silhouette
    • High side slit
    • Lined crepe fabric
    • Curve-hugging fit, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2403

    Category Name: Black Formal Dresses

    Price: $9.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Mayra Formal Satin Slit Long Dress

    Special Occasion

    Slip into the luxe vibes of Mayra! She features a sleeveless square neckline and spaghetti straps atop a fitted bodice designed to flaunt your curves and show a peek of skin thanks to her high-cut front slit. The floor-length hem effortlessly elongates your figure on the buttery smooth satin fabric with plenty of stretch. Complete the look in sparkly heels.

    Fit & Features

    • Sleeveless square neckline, spaghetti straps
    • Fitted bodice, side hip pleating
    • Form-fitting silhouette, high-cut front slit
    • Floor-length hem
    • Smooth satin-knit fabric, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-6832

    Category Name: Black Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: HUNTER, TAUPE, BLACK, ROYAL, ROSE, GOLD

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Best Seller
  • Elisabeth Pleated Tulle Formal Dress
    Special Occasion


    Dress as the princess you are with our breathtaking Elisabeth dress! She is a floor-length evening gown with a plunging V-neckline and thin adjustable straps that create a cross-back design. Her wide empire waist leads to a floor-length skirt that dances around your ankles. She is composed of pleated tulle fabric with a sheer appearance and a thin knit lining that features two front slits. Elisabeth offers a moderate stretch and includes a hidden zipper. Complete the look with a rhinestone clutch and a dainty rhinestone bracelet.

    Fit & Features

    • Sleeveless V-neckline, adjustable spaghetti straps
    • Cross-back straps
    • Empire waist, two high-front slits
    • Floor-length silhouette
    • Lined tulle fabric
    • Flowy fit, moderate stretch
    • Sticky bra or pasties recommended
    • Runs true to size

    Style Number/Barcode: 05002-4997

    Category Name: Black Formal Dresses

    Price: $9.97 $36.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Lola Formal High Slit Glitzy Glitter Dress

    Special Occasion

    Flaunt your glam style in the fabulous Lola high slit glitter dress! She features a trendy cowl neckline with a slim-fit bodice, a floor-sweeping silhouette with a sultry high side slit to elongate your legs, and a form-hugging fit. She is composed of glitzy glitter knit fabric that offers a curve-hugging fit with a moderate stretch. Pair this gorgeous long dress with a sleek ring set to add some glamour to your look for your special occasion.

    Fit & Features

    • Cowl neckline, spaghetti straps
    • Slim-fit bodice, form-hugging fit
    • Floor-length silhouette
    • Thigh-high side slit
    • Glitter knit fabric, mini-length inner knit lining, moderate stretch
    • Sticky bra recommended
    • Runs true to size

     

    The saturation of glitter varies. Glitter may transfer.

    Style Number/Barcode: 05002-1696

    Category Name: Black Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: NAVY

    Available Size: XS, S, M, L

  • Juliet Formal High Slit Dress

    Special Occasion

    Radiate effortless elegance in our sophisticated satin Juliet gown! She features adjustable spaghetti straps, a V-neck seamed bodice with light padding at bust, a high-seam waist, and a long, gently pleated A-line skirt with pockets at either hip and a dramatic center front slit. Juliet is fully lined and made from a smooth, shiny satin-like woven fabric with a touch of stretch. Pair this beautiful dress with a shimmering rhinestone necklace for a glamorous look.

    Shop Juliet In More Colors: Juliet Formal High Slit Dress 2

    Fit & Features

    • Lined satin-like woven fabric, slight stretch
    • V-neckline with padded cups
    • Adjustable spaghetti straps
    • Fitted high waist, hidden side pockets
    • Elongated floor-length silhouette with high side slit
    • A-line fit
    • Runs true to size

    Style Number/Barcode: 05002-3332

    Category Name: Black Formal Dresses

    Price: $9.97 $99.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Iris One-Shoulder Crepe Dress

    Special Occasion

    The lovely Iris long formal dress will set the tone for elegance! Captivate any room you walk into! She features a one-shoulder strap design, a padded bust for support, and a curve-hugging wrap skirt with a sexy high slit. The floor-length silhouette elongates your figure on crepe fabric with a moderate stretch. Complete your stunning look in this long dress with dangly earrings and statement heels.

    Fit & Features

    • Sleeveless bodice, one-shoulder strap
    • Built-in padded bust, no bra required
    • Floor-length silhouette, curve-hugging wrap skirt 
    • High-cut slit
    • Slip-on/off styling
    • Crepe fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-8702

    Category Name: Black Formal Dresses

    Price: $44.90

    Availability: In Stock

    Available Color: HUNTER

    Available Size: XS, S, M, L

    Product Badge:
    • Best Seller
  • Susana Asymmetric Off-Shoulder Mermaid Dress

    Special Occasion

    The stunning Susana formal dress will have you radiating elegance! Susana's trendy asymmetric neckline adds a chic touch to her streamlined silhouette. Her wrap skirt reveals a flattering slit that lets you showcase your stylish heels. Make sure you bring a fab clutch to elevate your look.

    Fit & Features

    • Asymmetric off-shoulder slanted neckline, single shoulder strap
    • High waist, floor-length mermaid silhouette
    • Wrap skirt reveals front slit
    • Crepe fabric, knit lining, moderate stretch
    • Form-hugging fit
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-1726

    Category Name: Black Formal Dresses

    Price: $9.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Addison Glitter Mesh Formal Dress

    Special Occasion

    Make a sparkly statement at your next soiree in the trendy glam Addison formal dress! Featuring a cowl neckline, spaghetti straps, a floor-length fitted silhouette, and a lined glitter mesh fabric, you'll bring radiance to the room. Complete your illuminating look with rhinestone earrings and clear heels.

    Fit & Features

    • Sleeveless cowl neckline, spaghetti straps
    • Strapless or adhesive bra recommended
    • High waist seam
    • Floor-length fitted silhouette
    • Sheer glitter mesh fabric, full knit lining
    • Moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-2460

    Category Name: Black Formal Dresses

    Price: $69.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S, M, L, XL

    Product Badge:
    • Sale
  • Star Formal One-Shoulder Mermaid Dress

    Special Occasion 

    Seal in your formal look with a crepe dress that elevates your special evening outfit. Star features a one-shoulder neckline with a bow accent on the shoulder, a lightly pleated bodice, a high side slit, and a mermaid silhouette. The dress is composed of a lined crepe fabric that offers a form-hugging fit with a moderate stretch. Complete the look with a rhinestone collar and stilettos.

    Fit & Features

    • One-shoulder neckline, bow accent
    • Lightly pleated bodice
    • High side slit, mermaid silhouette
    • Lined crepe fabric
    • Form-hugging fit, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-1569

    Category Name: Black Formal Dresses

    Price: $29.97 $39.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Shine Through Glitter Mini Dress

    This hard-to-miss mini dress will make an entrance! Featuring a flattering scoop neckline, spaghetti straps, a front slit, and a form-hugging fit to enhance your curves, this mini-length dress is perfect for your next GNO. The glitzy glitter knit fabric has a moderate stretch. Pair with some strappy heels for a gorgeous look.

    Fit & Features 

    • Sleeveless scoop neckline, spaghetti straps
    • Bodycon silhouette
    • Front slit accent
    • Mini-length hem
    • Textured knit fabric, knit lining at the bust, moderate stretch
    • Glitter may transfer
    • Runs true to size

    Style Number/Barcode: 05103-3778

    Category Name: Black Formal Dresses

    Price: $33.90

    Availability: In Stock

    Available Color: BLACK, WHITE, GREEN

    Available Size: M, XS, S, L

    Product Badge:
    • Sale
  • Cheyenne Formal One-Shoulder Velvet Dress

    Special Occasion 

    Lavish yourself with a luxe formal dress that elevates your special occasion outfit! Cheyenne features a one-shoulder neckline, a wired V-neck bust, a fitted long sleeve, a high side slit on the floor-length hem, and a curve-hugging A-line silhouette. The long dress is composed of a lined velvet fabric that offers a moderate stretch. Complete the look with rhinestone heels and a sphere clutch.

    Fit & Features

    • One-shoulder neckline, wired V-neck bust
    • Fitted long sleeve
    • High side slit, floor-length hem
    • A-line silhouette
    • Lined velvet fabric
    • Form-hugging fit, moderate stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-1732

    Category Name: Black Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: S, M, L, XL, XS

  • Margaret Formal Satin Wrap Midi Dress

    Special Occasion

    Wrap yourself in a glam formal dress that captivates from the moment you enter the room! Margaret features a sleeveless cowl neckline, adjustable spaghetti straps, corset seams with flexible boning, and a ruched wrap midi silhouette. The dress is composed of a satin fabric that offers a form-hugging fit with minimal stretch. Complete look with heels and rhinestone earrings.

    Fit & Features

    • Sleeveless cowl neckline, adjustable spaghetti straps
    • Built-in padded bust
    • Corset seams, flexible boning
    • Ruching, wrap midi skirt
    • Buttery soft silk fabric, minimal stretch
    • Runs true to size

    Style Number/Barcode: 05001-0672

    Category Name: Black Formal Dresses

    Price: $59.90

    Availability: In Stock

    Available Color: NAVY, IVORY, BLACK, GOLD, BURGUNDY-2

    Available Size: XS, S, M, L, XL

  • Kinsley Formal Sequin Mermaid Dress

    Special Occasion

    Gorgeous and glam, the Kinsley formal sequin mermaid dress will give off major regal energy. She features a sleeveless square neckline, spaghetti straps that lead to a cross-back lace-up design, a floor-length skirt with a mermaid silhouette, and a high side slit to showcase some leg. The lined mesh fabric features all-over sequin embroidery in a luxe scroll pattern. Complete your formal affair look with gold hoops and neutral heels.

    This dress is the perfect pick for Prom 2023! Not exactly your style? You’ll love other prom dresses.

    Fit & Features

    • Sleeveless square neckline, spaghetti straps
    • Adhesive bra recommended
    • Open back, cross-back lace-up strappy design, tie closure
    • High waist seam, lower back zipper, hook and eye closure
    • Floor-length, fitted, mermaid silhouette, high side slit
    • Sheer mesh fabric, full knit lining, moderate stretch
    • Sequin embroidery, scroll pattern
    • Runs true to size

    Style Number/Barcode: 05002-2453

    Category Name: Black Formal Dresses

    Price: $99.90

    Availability: In Stock

    Available Color: GOLD, RED

    Available Size: XS, S, M, L

    Product Badge:
    • Best Seller
  • Heidi Formal Lattice Dress

    Special Occasion

    Allure them in the chic Heidi dress to make a head-turning impression at your next special event. The formal dress features a sleeveless plunging V-neckline, a built-in padded bust for comfortable support, and dual spaghetti straps. The straps lead to a bold open back to show off a hint of skin and sleek lattice straps that let you adjust the fit. The bodice of the dress leads to a floor-length mermaid silhouette that is complemented with vertical seams to streamline your shape. Complete your outfit with rhinestone earrings and strappy stilettos.

    Fit & Features

    • Sleeveless V-neckline, dual spaghetti straps
    • Built-in padded bust, adhesive bra recommended
    • Open back, lattice design with tie closure
    • Empire waist, vertical seams
    • Floor-length mermaid silhouette
    • Luxe satin-lined fabric
    • Moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-0162

    Category Name: Black Formal Dresses

    Price: $19.97 $59.90

    On Sale: Yes

    Availability: Out of Stock

  • Edlyn Sequin Laceup Mermaid Formal Dress

    Special Occasion

    Enchant in the Edlyn sequin formal prom dress to make a glamorous entrance at your next elegant affair or prom! She features adjustable spaghetti straps that shape her lace-up back that will have every head turn. Plus, she offers built-in bust support so no bra is needed. The fitted empire waist gently flows into a floor-length mermaid silhouette with a sultry side slit. She's composed of a sequin embroidered mesh-lined fabric with a minimal stretch. Compliment your look in satin lace-up heels.

    This dress is the perfect pick for Prom 2023! Not exactly your style? You’ll love other prom dresses.

    Fit & Features

    • Sleeveless square neckline, adjustable spaghetti straps
    • Built-in bust support, no bra needed
    • Lace-up back, zipper and hook and eye closure
    • Fitted empire waist, side slit
    • Mermaid floor-length silhouette
    • Sequin embroidery
    • Mesh-lined fabric, minimal stretch
    • Runs true to size

    Style Number/Barcode: 05002-6823

    Category Name: Black Formal Dresses

    Price: $14.97 $109.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Alisha Rhinestone Strap Formal Dress

    Special Occasion

    Sultry and stunning, the Alisha formal dress will definitely keep all eyes on you. She features a sleeveless cowl neckline, thin rhinestone detailed straps, a high waist seam, a floor-length, curve-hugging silhouette, and an alluring high slit. The smooth lined knit fabric offers plenty of stretch. Style with sparkly hoop earrings and embellished heels.

    Fit & Features

    • Sleeveless cowl neckline
    • Rhinestone detailed straps
    • High waist seam
    • Floor-length hem, form-fitting silhouette, high slit
    • Lined knit fabric, plenty of stretch
    • Strapless or sticky bra recommended
    • Runs true to size

    Style Number/Barcode: 05002-2450

    Category Name: Black Formal Dresses

    Price: $39.90

    Availability: In Stock

    Available Color: BLACK

    Available Size: XS, S, M, L

  • Joules Formal One-Shoulder Crepe Dress

    Special Occasion 

    Step into sophistication and elegance with this one-shoulder formal dress, perfect for your next gala, black-tie wedding, or prom. This floor-length dress is made with matte crepe fabric exuding a sleek and modern aesthetic that enhances the clean lines of the asymmetrical neckline. The built-in padded cups ensure a flawless appearance, while the side ruching artfully accentuates the waistline and curves. Complement this formal contemporary look with ankle strap platform heels accented with faux pearls or rhinestones for a touch of glam.

    Fit & Features

    • One-shoulder neckline, tank shoulder strap
    • Padded cups
    • Ruching, high side slit
    • A-line silhouette
    • Lined crepe fabric 
    • Form hugging fit, moderate stretch
    • Runs true to size 

    Style Number/Barcode: 05002-0952

    Category Name: Black Formal Dresses

    Price: $29.97 $39.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale
  • Alexia Formal High Slit Illusion Dress

    Special Occasion 

    Create a captivating moment with a formal dress that brings elegance to your evening soirees! Alexia features a sleeveless V-neckline with a padded bust, adjustable spaghetti straps for a customized fit, a contrast sheer mesh bodice, ruching, and a floor-length A-line silhouette with a high slit. The formal dress is composed of a lined crepe fabric with a moderate stretch. Complete the look with rhinestone heels and a clutch.

    Fit & Features

    • Sleeveless V-neckline, adjustable spaghetti straps
    • Padded bust, no bra required
    • Contrast illusion sheer mesh bodice
    • Back zipper, hook and eye closure
    • Floor-length A-line silhouette, high slit
    • Lined crepe fabric, moderate stretch
    • Runs true to size

    Style Number/Barcode: 05002-1358

    Category Name: Black Formal Dresses

    Price: $29.97 $49.90

    On Sale: Yes

    Availability: Out of Stock

    Product Badge:
    • Sale