Floor Length Black Formal Dresses
Floor length black formal dresses are the ultimate go-to for making a statement that’s as bold as it is timeless. Whether you're gliding into a gala or owning the dance floor at a swanky soirée, these dresses are your ticket to instant elegance. Picture yourself draped in luxurious black fabric that cascades to the floor, turning heads and stealing hearts with every step. It's not just about looking good; it's about feeling unstoppable. So, slip into one of these stunning creations and let your confidence shine brighter than any spotlight.
$39.90
A chic black crepe wrap dress with a plunging V-neckline and high front slit.
$74.90
A black satin mermaid dress featuring cold-shoulder sleeves, ruched sides, and a dramatic floor-length hem.
$69.90
A black floor-length formal dress with a glitter mesh overlay and a cowl neckline.
$159.90
A sultry black mermaid dress with a lace corset bodice and high front wrap slit.
$69.90
A black glitter-knit mermaid dress with an off-the-shoulder neckline and sultry side slit.
$59.90
A stunning black mermaid dress with a cowl neck, lace-up back, and high front slit.
$59.90
A luxurious black velvet dress with a sweetheart neckline, sheer mesh bodice, and wrap slit.
$129.90
An enchanting black satin A-line dress with a sheer corset bodice and high front slit.
$79.90
A black glitter mermaid dress with a lace-up back and sweetheart halter neckline.
$119.90
A black strapless A-line gown with a glittery corset bodice and high front wrap slit.
$39.90
A sultry black formal dress with rhinestone straps, high slit, and curve-hugging silhouette.
$49.90
A black crepe formal dress with a sleeveless square neckline and a high-cut front slit.
$59.90
A glamorous black glitter knit dress with a cowl neckline, cross back, and high front slit.
$46 $64.90 29% off
A black crepe formal dress with puff sleeves, lace-up back, and high-cut slit for prom.
$69.90
A black lace mesh formal dress with a plunge neckline, high slit, and adjustable straps.
$109.90
A stunning black sequin dress featuring a lace-up back, sweetheart neckline, and high front slit.
$79.90
An elegant black knit mermaid dress featuring a glitter pattern, cowl neckline, and high front slit.
$54.90
A chic black formal dress with sheer mesh fabric, bell sleeves, and a high-side slit.
$89.90
A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.
$69.90
A stunning black mermaid dress with glitter fabric, adjustable straps, and a floor-length hem.
$59.90
A strapless black knit formal dress featuring pleated side seams and a dramatic high side slit.
$74.90
A black glitter knit mermaid dress featuring an off-the-shoulder neckline and high front wrap slit.
$59.90
A black crepe mermaid dress with a square halter neckline and elegant high front slit.
$109.90
A black sequin bodycon dress with a high slit, adjustable straps, and a floor-length hem.
$64.90
A black satin formal dress with a lace-up back, V-neckline, and high front slit.
$29.97 $79.90 62% off
A black glitter mermaid dress with a lace-up back, square neckline, and padded bra cups.
$59.90
A black satin slim-fit formal dress featuring a corset bodice and floor-length hem with slit.
$84.90
A glamorous black satin glitter gown with a cowl neckline, mermaid silhouette, and adjustable straps.
$79.90
A black satin A-line formal dress featuring a chic tie-back and high front slit.
$69.90
A black glitter formal dress with sheer long sleeves, sweetheart neckline, and high front slit.
$89.90
A stunning black mermaid dress featuring a semi-sheer lace corset bodice and adjustable spaghetti straps.
$14.97 $54.90 73% off
A chic black crepe formal dress featuring waist cutouts, a high slit, and a square neckline.
$79.90
A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.
$64.90
A sleek black formal dress with a V-neckline, strappy back, and high side slit.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$62.90
A black satin knit formal dress with a ruched bodice, square neckline, and sultry front slit.
$69.90
A black glitter crepe mermaid dress with a cutout bodice and high front wrap slit.
$79.90
A stunning black satin mermaid dress with a high slit and elegant train for formal events.
$109.90
A glamorous black satin formal dress featuring a lace corset bodice and high front wrap slit.
$9.97 $79.90 88% off
A chic black mermaid dress with marabou feather trim and a thigh-high slit in crepe fabric.
$59.90
A strapless black glitter mermaid dress with ruched sides and a dramatic floor-length knit silhouette.
$19.97 $79.90 75% off
A romantic black satin formal dress with a corset bodice and detachable statement bow.
$89.90
A black floor-length bodycon dress featuring a sheer lace corset bodice and sultry cold shoulder design.
$19.97 $74.90 73% off
A black crepe mermaid dress with sheer lace panels and a sweetheart neckline for formal events.
$49.90
A black crepe mermaid gown with a square neckline, corset bodice, and high front slit.
$69.90
A black mesh formal dress with a halter neckline, lace sequin cups, and mermaid silhouette.
$69.90
A black glitter knit mermaid dress with a V-neck, high slit, and adjustable spaghetti straps.
$79.90
A black velvet mermaid dress with a sweetheart neckline and glitter detailing for formal occasions.
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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
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
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
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
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
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
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
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
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
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
Floor Length Black Formal Dresses
When it comes to making a statement that’s equal parts bold and timeless, nothing delivers quite like a floor length black dress. There’s a reason this silhouette is the go-to move for any major moment—think prom, formal galas, black-tie weddings, or those epic nights out where you want to channel main character energy. The drama of a black dress floor length is unmatched: it glides with you across the dance floor, catches the light in all the right ways, and has that magical power to make you feel like you could rule the world (or at least the party). Whether you’re the girl who loves to keep it classic with sleek lines and minimal fuss, or you’re all about the extra—hello, thigh-high slits, corset bodices, and plunging necklines—there’s a floor length black dress that’s basically waiting to become your signature look. And let’s be real, no closet is truly complete without that one black stunner you can always count on for those “I need to look incredible and I need it now” moments.
Shopping for a floor length black dress is all about knowing your vibe and the kind of entrance you want to make. Maybe you’re searching for a Windsor black prom dress that turns heads the second you walk in, or you need something sleek and sophisticated for a formal work event. Either way, it’s the little details that set your look apart—think luxe fabrics that move with you, subtle embellishments that catch the light, and silhouettes that hug you in all the right places. These dresses aren’t just for you, either: they make unforgettable gifts for your bestie’s milestone birthday, your sister’s graduation, or even as a treat-yourself moment because you absolutely deserve it. And if you’re the friend who always gets asked to help pick out the perfect dress, you already know that a floor length black dress is the answer for literally any formal invite that lands in your group chat. Pair it with strappy heels, a bold lip, and your favorite “I run this” attitude, and you’re set for a night that’s nothing short of legendary.
For those who live for the thrill of a grand entrance, there’s something about slipping into a floor length black dress that just hits different. You can go full glam with all-over sequins or keep it understated with a simple, elegant silhouette—either way, you’re guaranteed to serve looks and leave a little sparkle wherever you go. The versatility of a black dress floor length means you can dress it up or down, layer on the drama with statement jewelry, or keep things mysterious and chic with minimalist accessories. And if you’re looking for even more inspo or want to see the latest takes on this forever favorite, check out our Floor Length Prom Dresses collection. No matter the event, the mood, or the moment, a floor length black dress is your ultimate partner in crime—ready to hype you up, keep the good vibes rolling, and make sure every night is one for the books.