Evening Formal Dresses

Get ready to own the night with our stunning collection of evening formal dresses! Whether you're stepping into a gala, attending a wedding, or making an entrance at that swanky soirée, we've got the perfect dress to make you feel like the star you are. From timeless elegance to modern glam, these dresses are all about turning heads and making unforgettable memories. Slip into something fabulous and let your inner diva shine—because tonight is all about you, gorgeous!

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Best Seller

$39.90

4.619048 star rating

A captivating black crepe wrap dress with a plunging V-neckline and high front slit.

$109.90

4.722891 star rating

A navy blue sequin mermaid dress with a lace-up back and thigh-high front slit.

$69.90

4.642857 star rating

A black floor-length formal dress with a glitter mesh overlay and a cowl neckline.

$39.90

4.679487 star rating

A sultry black formal dress with rhinestone straps, a high slit, and a curve-hugging silhouette.

$49.90

4.569231 star rating

A black crepe formal dress featuring a sleeveless square neckline and a high-cut front slit.

$54.90

4.492064 star rating

A brown mesh corset long dress with a sweetheart neckline and high side slit for formal events.

Best Seller

$59.90

4.118644 star rating

A black glitter knit formal dress with a cowl neck, cross back, and high front slit.

Best Seller

$109.90 - $149.90

4.709091 star rating

A pink mermaid silhouette dress with sequin-scroll pattern, V-neckline, and lace-up back.

Best Seller

$159.90

4.709091 star rating

A sultry black mermaid dress with a lace corset bodice and high front wrap slit.

$59.90

4.490566 star rating

A red satin midi dress featuring a pleated cowl neckline, midriff cutout, and high side slit.

$84.90

4.666667 star rating

A stunning black satin column dress featuring a lace-up back and high-cut front slit.

Best Seller

$36.90

4.571429 star rating

An elegant natural off-the-shoulder midi dress with a stretchy knit fabric and flared hem.

$69.90

4.295455 star rating

A black glitter-knit mermaid dress with an off-the-shoulder neckline and sultry side slit.

$109.90

4.581395 star rating

A dazzling yellow sequin-embroidered mesh dress with a mermaid silhouette and adjustable spaghetti straps.

Sale

$77 $109.90 30% off

4.648649 star rating

A green sequin scroll dress with a plunging V-neckline and open lace-up back.

$74.90

4.416667 star rating

A navy blue glitter knit mermaid dress with a square neckline and lace-up open back.

Sale

$39.97 $119.90 67% off

4.361111 star rating

A dazzling royal blue sequin dress with a cowl neck, open-back, and sultry front slit.

Sale

$46 $64.90 29% off

4.555555 star rating

A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.

Best Seller

$84.90

4.777778 star rating

A strapless sage mini dress with beaded mesh fabric and a flattering bodycon fit.

Best Seller

$59.90

4.69697 star rating

A chic black satin formal dress featuring a cowl neck, high slit, and corset-style bodice.

$149.90

4.84375 star rating

A luxurious pink mesh formal dress adorned with faux pearls, featuring a cowl neckline and high slit.

$54.90

4.483871 star rating

A wine satin midi dress featuring a corset seam bodice and pleated faux wrap hem.

Sale

$70 $99.90 30% off

4.407407 star rating

A glamorous gold off-the-shoulder gown with a high slit and shimmery lurex knit fabric.

$69.90

4.807693 star rating

A black lace mesh formal dress featuring a plunge V-neckline and high-side slit.

Sale

$9.97 $64.90 85% off

4.708334 star rating

A black crepe off-the-shoulder dress with a corset bodice and high front slit.

$109.90

4.727273 star rating

A stunning black sequin dress with a lace-up back, sweetheart neckline, and high front slit.

Sale

$9.97 $59.90 83% off

4.545455 star rating

A shimmery black sequin party dress featuring a one-shoulder design and bodycon wrap silhouette.

$99.90

4.636364 star rating

A mint sequin scroll mermaid dress with a strappy back, perfect for prom or black-tie events.

Sale

$9.97 $59.90 83% off

4.45 star rating

A striking green satin one-shoulder dress with a side slit, perfect for formal occasions.

$124.90

4.45 star rating

A glamorous black mermaid dress with glitter lurex fabric, V-neckline, and adjustable spaghetti straps.

$69.90

4.55 star rating

A green satin formal dress featuring a cowl neckline, high slit, and slim-fit silhouette.

$89.90

4.789474 star rating

A stunning red off-the-shoulder mermaid dress with side ruching and a dramatic high front slit.

Sale

$29.97 $54.90 45% off

4.157895 star rating

A burgundy formal dress with sheer mesh sleeves, high slit, and curve-hugging silhouette.

$79.90

4.578948 star rating

A black knit mermaid dress with glitter, cowl neckline, and high slit for formal occasions.

$69.90

4.722222 star rating

A sage off-the-shoulder mesh dress with ruffled accents and a flattering mermaid silhouette.

$64.90

4.5625 star rating

An elegant black glitter knit mermaid dress with a cowl neckline, open back, and front slit.

$109.90

4.666667 star rating

A yellow satin A-line gown with cold shoulder design, front slit, and hidden side pockets.

$59.90

4.846154 star rating

A sleek green formal dress with a cowl neckline, front cutout, and high side slit.

$119.90

4.615385 star rating

A stunning royal blue satin dress with sequin scrolls, lace-up back, and a dramatic front slit.

$74.90

4.461538 star rating

A red glitter knit mermaid dress with an off-the-shoulder neckline and high front wrap slit.

$159.90

4.846154 star rating

A lavender strapless formal dress with beaded mesh, cowl neckline, and high front slit.

$119.90

4.166667 star rating

An elegant denim tulle gown with glitter sequins, featuring an open strappy back and A-line silhouette.

$119.90

5 star rating

A lavender sequin formal dress with a V-neckline, adjustable straps, and a high front slit.

Sale

$77 $109.90 30% off

4.416667 star rating

A royal blue mermaid dress with sequin scrolls, adjustable straps, and a high front slit.

$79.90

5 star rating

A white mesh mermaid dress adorned with faux pearls, featuring a cold shoulder neckline and ruched seams.

$109.90

4.909091 star rating

A teal bodycon dress with sequin scrolls, adjustable straps, and a high front slit.

$79.90

4.454546 star rating

A burgundy strapless bodycon dress with faux pearl embellishments and a flattering ruched design.

$89.90

4.090909 star rating

A glamorous burgundy mermaid dress with glitter knit fabric, ruching, and a stylish back cutout.

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Now Trending

Windsor Rowena Sequin Mermaid Dress in Navy Blue
(166) 4.7228913 star rating

Chic and glamorous, the Rowena sequin mermaid long dress will stylishly elevate your formal night-out look. With a lace-up strap design and fitted mermaid silhouette with a high slit, you'll deliver stunning style. Fit & FeaturesSheer mesh fabric, knit lining, moderate stretch, embroidered sequin scroll design, 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, Runs true to size, Where to Wear:Prom, black-tie parties and galas, fancy engagement parties Free Shipping on All Orders Over $75. | Windsor Rowena Sequin Mermaid Dress in Navy Blue | Size: M | Knit Fabric/Mesh Fabric/Sheer Mesh Fabric

Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue
Sale
(59) 4.4576273 star rating

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 & FeaturesCowl 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. Free Shipping on All Orders Over $75. | Windsor Lola Formal High Slit Glitzy Glitter Dress in Navy Blue | Size: L | Knit Fabric

Sophie Glitter Knit Mermaid Dress in Navy Blue
(36) 4.4166665 star rating

Effortlessly elegant, the Sophie glitter knit mermaid dress would be a stunning choice for a formal gala. She features a square neckline, short puff sleeves, a partially open back with a lace-up strappy design for a customized fit, a high waist seam, a floor-length hem, and a mermaid silhouette with a high front slit to showcase your heels. The glitter knit fabric offers a moderate stretch. Complete the look in this long dress with rhinestone statement earrings. Fit & FeaturesSquare neckline, Short puff sleeves, Open back, lace-up strappy design, tie closure, High waist seam, Floor-length hem, mermaid silhouette, front slit, Glitter knit fabric, moderate stretch, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Sophie Glitter Knit Mermaid Dress in Navy Blue | Size: S | Knit Fabric/Rhinestone

Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue
(31) 4.516129 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure. She features a sleeveless square neckline, a bold backless design, a high waist seam, a chic bow accent at the lower back with a flowy floor-length train, a floor-sweeping hem with a mermaid silhouette, and a form-hugging fit. Style this long dress with a rhinestone clutch for a black-tie wedding. Fit & FeaturesSleeveless square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Form-hugging fit, Glitter knit fabric, Sticky bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Light Blue | Size: L | Knit Fabric/Rhinestone

Lucille Formal Satin Mermaid Dress in Coral
(29) 4.827586 star rating

The Lucille formal satin dress will have you looking and feeling radiant and luxe! The dress captivates with a lace-up back, mermaid silhouette, and high front slit for effortless allure. Fit & FeaturesLined satin knit fabric, minimal stretch, Sleeveless square neckline, padded bust, adjustable spaghetti straps, Open lace-up back design, zipper and hook-eye closure, Fitted bodice, front ruched seam, high-cut slit, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black tie galas, red-carpet events, nights at the opera or theatre, big milestone celebrations Free Shipping on All Orders Over $75. | Windsor Lucille Formal Satin Mermaid Dress in Coral | Size: L | Knit Fabric/Satin Fabric

Alicia Off-The-Shoulder Mermaid Formal Dress in Green
(23) 4.826087 star rating

Spend an evening in the timeless elegance of the Alicia floor-length formal dress and feel like a work of art! The side ruched seams accentuate your curves along the mermaid silhouette, and the high front slit adds a touch of drama to the floor-length hem. Fit & FeaturesSmooth knit fabric lined with stretchy knit, Padded bra cups, Back zipper and hook-eye closure, High front slit, Mermaid silhouette, Runs true to size, Where to Wear:Prom, galas, black tie parties, weddings, bridesmaids, nights at the theatre and opera, red-carpets Free Shipping on All Orders Over $75. | Windsor Alicia Off-The-Shoulder Mermaid Formal Dress in Green | Size: S | Knit Fabric

Priscilla Formal Satin Strapless Mermaid Dress in Taupe
(23) 4.347826 star rating

Make it an elegant entrance in the Priscilla formal satin dress with a curve-hugging mermaid silhouette and floor-sweeping hem for dramatic flair. Fit & FeaturesLined silky satin fabric, minimal stretch, Strapless sweetheart neckline, Pleated, lightly padded bust, non-slip grip lining, Slim-fit bodice, high waist seam, hip-hugging fit, Floor-sweeping hem, mermaid silhouette, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, black-tie galas and events, and fancy milestone celebrations. Free Shipping on All Orders Over $75. | Windsor Priscilla Formal Satin Strapless Mermaid Dress in Taupe | Size: M | Satin Fabric

Kathie Formal Satin One-Shoulder Dress in Gold-2
(22) 4.7727275 star rating

Sleek and sultry, the Kathie formal satin dress is destined to shine at banquets, galas, and black-tie weddings! She features a sophisticated one-shoulder neckline, a wide shoulder strap, a pleated side seam, a mermaid silhouette, and an asymmetrical high front slit along her graceful long hem. The formal dress is composed of luxurious satin-lined fabric with a sheen effect and minimal stretch. Complete the look with hoop earrings. Fit & FeaturesOne-shoulder neckline, wide shoulder strap, Back zipper and hook-eye closure, Pleated side seam, asymmetrical high front slit, Mermaid silhouette, long hem, Lined silky satin fabric, sheen effect, minimal stretch, Strapless bra or pasties recommended, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Kathie Formal Satin One-Shoulder Dress in Gold-2 | Size: M | Satin Fabric

Windsor Shay Formal Lurex Glitter Dress in Rose Gold
(20) 4.45 star rating

Stun in the Shay formal glitter dress that makes your entrance that much more glam! Shay features a mermaid silhouette that flaunts your beautiful curves and a floor-length hem for a hint of drama. Fit & FeaturesLine glitter lurex fabric, V-neckline, padded bra cups, Adjustable spaghetti straps, Ruching, mermaid silhouette, Wide banded hem, train , Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout , Where to Wear: Prom, black tie galas and events, red-carpet events, upscale birthdays Free Shipping on All Orders Over $75. | Windsor Shay Formal Lurex Glitter Dress in Rose Gold | Size: XS

Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle
(20) 4.75 star rating

Radiate sexy elegance in the Deyna formal long dress perfect for your upcoming black tie soirees! The dress accentuates your curves with side ruched seams and mermaid silhouette create a stunning and flattering shape, while the floor-length hem adds sophistication. Fit & FeaturesAiry mesh fabric, full knit stretchy lining, Off-the-shoulder neckline, ruffled cuffs, cascading ruffles, Back zipper and hook-eye closure, Flexible boning inserts in the bodice, Side ruched seams, mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, fancy garden parties, and dressed-up events. Free Shipping on All Orders Over $75. | Windsor Deyna Formal Mesh Off-The-Shoulder Long Dress in Periwinkle | Size: L | Knit Fabric/Mesh Fabric/Mesh Fabric

Evening Formal Dresses

When it comes to making an entrance, nothing beats the rush of slipping into a stunning formal dress that fits like it was made just for you. The magic of formal dresses isn’t just about the fabric or the cut—it’s about the way you feel when you catch your reflection and realize, oh yeah, you’re *that* girl tonight. Whether you’re prepping for prom, a gala, a romantic dinner, or that can’t-miss event circled on your calendar, your dress sets the tone for the entire night. It’s your secret weapon for turning heads and breaking hearts (in the fun, flirty way). The right evening formal dress does more than follow a dress code—it becomes part of your story, capturing the vibe and energy you’re bringing to the party. Maybe you’re the friend who always goes for a little drama—think bold colors, daring slits, or a cascade of sequins that catch the light with every move. Or maybe you’re channeling classic glam, with sleek lines and subtle shimmer that leaves everyone wondering, “Who is she?” No matter your style, choosing your dress is all about owning your moment and feeling like the main character all night long.

Shopping for formal dresses at Windsor is an experience in itself. You’re not just picking out a piece of clothing—you’re curating a vibe, crafting a memory, and setting yourself up for the kind of night you’ll be replaying in your head for weeks. The best part? You don’t have to break the bank to look like a million bucks. Our selection is designed for every girl who wants to shine, whether she’s attending her first big dance, celebrating a milestone birthday, or just loves the thrill of dressing up. And let’s be real—sometimes the best gifts are the ones you give yourself, but formal dresses also make unforgettable presents for sisters, besties, or anyone who deserves a little extra sparkle. When you’re shopping for someone else, think about their style personality: are they into timeless elegance, or do they love to make a bold statement? Don’t be afraid to go for something unique. After all, the best memories are made when you step outside your comfort zone and embrace a little adventure.

As you browse through our curated collection of formal dresses Windsor, keep in mind the little things that make a big difference—like adjustable straps for a custom fit, hidden pockets (because hello, essentials!), or a fabric that feels as good as it looks. It’s all about those thoughtful details that let you dance, pose, and celebrate without a care in the world. And if you’re looking for even more inspo or want to see what’s trending right now, check out our Elegant Evening Dresses page for a deeper dive into the looks that are stealing the spotlight. No matter where the night takes you, remember: confidence is always your best accessory, and with the right dress, you’re unstoppable. Here’s to unforgettable nights, endless compliments, and the kind of energy that makes every entrance feel like a red carpet moment.