Unique Formal Dresses

Turning heads and breaking hearts—yeah, that’s kind of your thing. When the invite calls for something unforgettable, unique formal dresses are your secret weapon for serving main character energy all night long. Whether you’re outshining the crowd or making an entrance that gets everyone talking, these looks are made for the bold, the fearless, and every Windsor girl who knows she was born to stand out. Ready to steal the spotlight? Let’s make your next big moment one for the books.

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Best Seller

$59.90

4.614943 star rating

A white satin formal dress featuring a form-fitting silhouette, sleeveless square neckline, and high front slit.

Best Seller

$39.90

4.609468 star rating

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

Best Seller

$89.90

4.574074 star rating

A green satin formal dress with a pleated cowl neckline, empire waist, and 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

4.626506 star rating

A sultry black formal dress with rhinestone straps, high slit, and 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

4.483871 star rating

A lavender mesh corset column dress featuring a sweetheart neckline and high-side slit for elegance.

$59.90

4.490566 star rating

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

$84.90

4.666667 star rating

A stunning red satin column dress with a lace-up back, cowl neck, and high front slit.

$69.90

4.266667 star rating

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

Sale

$29.97 $109.90 73% off

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.

Sale

$39.97 $99.90 60% off

4.612903 star rating

A strapless neon orange sequin dress with a lace-up back and high front slit.

Sale

$29.97 $99.90 70% off

4.413793 star rating

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

$49.90

4.827586 star rating

A coral satin mermaid dress featuring a lace-up back, high slit, and adjustable spaghetti straps.

$69.90

4.347826 star rating

A taupe satin strapless mermaid dress with a sweetheart neckline and chic pleated detailing.

$109.90

4.727273 star rating

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

Best Seller

$59.90

4.904762 star rating

A mauve knit mermaid dress featuring a cowl neck, lace-up back, and high front slit.

Sale

$14.97 $56.90 74% off

4.428571 star rating

A glamorous green formal dress featuring a backless design, thigh-high slit, and stretchy knit fabric.

$79.90

4.6 star rating

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

$124.90

4.45 star rating

A glamorous black mermaid dress with glitter lurex fabric, adjustable straps, and a dramatic floor-length hem.

$64.90

4.526316 star rating

An elegant green satin mermaid dress with a lace-up back and flattering V-neckline.

Sale

$19.97 $54.90 64% off

4.157895 star rating

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

$69.90

4.722222 star rating

A periwinkle mesh off-the-shoulder dress with ruched seams and a mermaid silhouette.

$89.90

4.888889 star rating

A black off-the-shoulder mermaid dress in luxurious knit fabric with a dramatic high front slit.

Sale

$14.97 $74.90 80% off

4.764706 star rating

A glamorous gold satin formal dress featuring a V-neckline, waist cutout, and high side slit.

$69.90

4.5625 star rating

A green mermaid formal dress with a cowl neckline, crisscross back, and dramatic high front slit.

$89.90

4.25 star rating

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

$109.90

4.6875 star rating

An elegant navy blue satin gown with cold shoulder design, front slit, and hidden side pockets.

$64.90

4.8125 star rating

A gold satin bodycon dress with a corset bodice, cowl neckline, and asymmetrical wrap hem.

$119.90

4.266667 star rating

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

Sale

$29.97 $89.90 67% off

4.2 star rating

A dazzling orange bodycon dress with glitter polka dots, adjustable straps, and a lace-up back.

$99.90

4.466667 star rating

A light blue bodycon dress with sequin-scroll pattern, draped beading, and adjustable spaghetti straps.

$69.90

4.466667 star rating

A green sleeveless mermaid dress with glitter fabric, adjustable straps, and a floor-length hem.

$74.90

4.5 star rating

A stunning burgundy satin dress with a cold shoulder design and ruched mermaid silhouette.

$59.90

4.846154 star rating

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

$74.90

4.461538 star rating

An elegant black mermaid dress with a glitter knit fabric and off-the-shoulder sweetheart neckline.

$159.90

4.846154 star rating

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

Best Seller

$59.90

4.75 star rating

A navy blue slinky knit mermaid dress featuring a sweetheart neckline, cowl draping, and high front slit.

$74.90

4.636364 star rating

A burgundy satin formal dress featuring a cowl neckline, waist cutout, and thigh-high slit.

$109.90

4.909091 star rating

A teal bodycon dress with sequin scrolls, high slit, and adjustable straps for formal occasions.

$59.90

3.272727 star rating

A black glitter mesh mini dress with sheer ruffled sleeves and a bodycon silhouette.

Best Seller

$64.90

4.1 star rating

A black satin formal dress featuring a lace-up back, V-neckline, and high front slit.

$69.90

4.6 star rating

A captivating black satin formal dress featuring an off-the-shoulder neckline and alluring front wrap slit.

$54.90

4.6 star rating

A black crepe glitter knit midi dress with a form-hugging silhouette and chic wrap hem.

Best Seller

$69.90

4.666667 star rating

A rust knit mermaid dress featuring a halter V-neckline and striking strappy open back design.

Sale

$14.97 $109.90 86% off

4.625 star rating

An orange sequin bodycon dress with a high neckline, open back, and high front slit.

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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

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

Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black
(35) 4.571429 star rating

The Gwendolyn glitter knit bow-back mermaid dress will have you sparkling up the night with a glamorous allure! Make your entrance in this floor-length gown designed to turn heads with a curve-flaunting mermaid fit and backless design. Fit & FeaturesGlitter knit fabric, moderate stretch, Square neckline, spaghetti straps, Backless design, high waist seam, Bow-back accent, floor-length train, Floor-sweeping hem, mermaid silhouette, Runs true to size, Extra glitter for maximum sparkle - may have some natural fallout, Where to Wear:Weddings, black tie galas, formal dances, big birthday events, rehearsal dinners, engagement parties, red carpet occasions, upscale glam parties Free Shipping on All Orders Over $75. | Windsor Gwendolyn Glitter Knit Bow-Back Mermaid Dress in Black | Size: S | Knit Fabric

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

Windsor Priscilla Formal Satin Strapless Mermaid Dress in Sage
(25) 4.4 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 Sage | Size: L | Satin Fabric

Alicia Off-The-Shoulder Mermaid Formal Dress in Brown
(24) 4.8333335 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 Brown | Size: M | Knit Fabric

Delia Formal Cowl Neck Long Dress in Mauve
(21) 4.904762 star rating

Flattery will get you everywhere in the Delia formal long dress that boasts a flattering mermaid silhouette with a high front slit for effortless allure all evening! Fit & FeaturesLined smooth knit fabric, moderate stretch, Sleeveless cowl neck, pleating, Spaghetti straps, lace-up back, Mermaid silhouette, High front slit, floor-length hem, Runs true to size, Where to Wear:Prom, weddings, bridesmaids, engagement parties, rehearsal dinners, milestone celebrations, dinner parties, and dressy date nights. Free Shipping on All Orders Over $75. | Windsor Delia Formal Cowl Neck Long Dress in Mauve | Size: XL | Knit 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

Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black
(20) 4.6 star rating

Prepare to make a grand entrance in the Ashelyn glitter long formal dress looking like a true masterpiece for prom or special birthday events! Her luxurious knit fabric boasts a mesmerizing glitter pattern, while the side ruching and mermaid silhouette accentuate your curves while the high front slit shows off your shoes of the night. The cowl neckline and padded bra cups offer a flattering and comfortable fit. Style this formal gown with glam earrings and a hair accessory for a stunning look all evening! Fit & FeaturesGlitter pattern, knit fabric lined with jersey knit, Padded bra cups, Adjustable spaghetti straps, High front slit, Back zipper and hook-eye closure, Mermaid silhouette, floor-length, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Ashelyn Cowl Neck Glitter Mermaid Formal Dress in Black | Size: XS | Knit Fabric

Emmie Lace-Up Mermaid Satin Formal Dress in Sage
(20) 4.55 star rating

Sleek and sophisticated! The Emmie satin formal dress exudes elegance with a lace-up back and flattering mermaid silhouette that accentuates your figure. Fit & FeaturesStretchy satin-knit fabric, lined bust, Spaghetti straps, V-neckline, Lace-up back, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie galas, weddings, bridesmaids, formal parties, and red-carpet events. Free Shipping on All Orders Over $75. | Windsor Emmie Lace-Up Mermaid Satin Formal Dress in Sage | Size: XS | Satin Fabric

Unique Formal Dresses

When it comes to making an entrance, nothing turns heads quite like a unique formal dress. Whether you’re prepping for a milestone celebration, prom, a wedding guest moment, or a gala that’s been circled on your calendar for months, your look should feel as one-of-a-kind as you are. The right dress isn’t just about fabric and fit—it’s about that electric feeling you get when you zip it up, check yourself in the mirror, and know you’re about to own the night. Maybe you’re drawn to bold colors, daring cut-outs, or luxe details like a dramatic slit or intricate beading. Or perhaps your vibe is more about sleek satin, subtle shimmer, or a silhouette that hugs you in all the right places. The beauty of unique formal dresses is that they let your personality shine through, giving you a confidence boost that radiates with every step. Think of the mayra formal satin slit long dress windsor style: it’s not just a dress, it’s a statement. It’s the kind of piece you reach for when you want to channel main character energy and leave your mark on every room you walk into.

Shopping for a standout formal dress is all about embracing the details that make you feel unstoppable. Consider the vibe of your event and how you want to express yourself—are you feeling flirty with a high-low hem, or are you ready to bring the drama with a sweeping train? Maybe you’re after a fit that lets you dance all night without a care, or you want something that’ll look fire in every photo, from candid laughs to posed perfection. Unique formal dresses also make unforgettable gifts for the girls in your life who love to celebrate big moments in style—think birthdays, graduations, or just-because surprises that say “you deserve to shine.” And let’s be real: there’s nothing like the look on your bestie’s face when she unwraps a dress that’s so her, you know she’ll be texting you pics the second she tries it on. If you’re shopping for yourself, don’t be afraid to step outside your comfort zone. That bold color you’ve never tried? The silhouette you’ve been eyeing but weren’t sure you could pull off? Go for it. The best looks are the ones that make your heart race a little faster.

From rooftop soirées to dance floor moments that end with your shoes in your hand and your hair a little wild, a unique formal dress is your ticket to unforgettable memories. It’s about capturing the excitement of the night and the confidence that comes from knowing you’re dressed for your own epic story. If you’re ready to browse even more show-stopping options and find a look that’s all you, check out the full collection at Women's Formal Dresses. Whether you’re shopping for yourself or spoiling someone special, there’s a dress waiting to help you slay your next big event and leave a trail of compliments in your wake.

Top Picks For Unique Formal Dresses