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.
$59.90
A strapless black knit formal dress featuring pleated side seams and a dramatic high side slit.
$69.90
A black floor-length formal dress with a glitter mesh overlay and a cowl neckline.
$49.90
A black crepe formal dress with a sleeveless square neckline and a high-cut front slit.
$59.90
A black crepe mermaid dress with a square halter neckline and elegant 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.
$89.90
A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.
$64.90
A black satin formal dress with a lace-up back, V-neckline, and high front slit.
$9.97 $79.90 88% off
A chic black mermaid dress with marabou feather trim and a thigh-high slit in crepe fabric.
$19.97 $79.90 75% off
A black velvet mermaid dress with a sweetheart neckline and glitter detailing for formal occasions.
$39.90
A sultry black formal dress with rhinestone straps, high slit, and curve-hugging silhouette.
$69.90
A black glitter-knit mermaid dress with an off-the-shoulder neckline and sultry side slit.
$109.90
A black sequin bodycon dress with a high slit, adjustable straps, and a floor-length hem.
$19.97 $69.90 71% off
A black glitter formal dress with sheer long sleeves, sweetheart neckline, and high front slit.
$69.90
A black lace bodycon dress with a sweetheart neckline and high front slit for formal events.
$109.90
A glamorous black satin formal dress featuring a lace corset bodice and high front wrap slit.
$49.90
A black crepe mermaid gown with a square neckline, corset bodice, and high front slit.
$59.90
A glamorous black glitter knit dress with a cowl neckline, cross back, and high front slit.
$69.90
A black lace mesh formal dress with a plunge neckline, high slit, and adjustable straps.
$59.90
A stunning black mermaid dress with a cowl neck, lace-up back, and high front slit.
$69.90
A stunning black mermaid dress with glitter fabric, adjustable straps, and a floor-length hem.
$74.90
A black glitter knit mermaid dress featuring an off-the-shoulder neckline and high front wrap slit.
$59.90
A black satin slim-fit formal dress featuring a corset bodice and floor-length hem with slit.
$64.90
A sleek black formal dress with a V-neckline, strappy back, and high side slit.
$79.90
A black satin mermaid dress featuring a halter neckline, open cross-back, and a high front slit.
$19.97 $79.90 75% off
A black satin A-line formal dress featuring a chic tie-back and high front slit.
$79.90
A black satin mermaid dress with a high slit, adjustable straps, and a romantic train.
$64.90
A sleek black knit mermaid dress featuring a scoop neckline, open back, and high front slit.
$64.90
A chic black strapless mermaid dress featuring a pleated wrap-front design with a high-cut slit.
$59.90
A luxurious black velvet gown with a sweetheart neckline, sheer mesh bodice, and high wrap slit.
$19.97 $79.90 75% off
A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.
$74.90
A black glitter knit mermaid dress with a halter neckline and high front wrap slit.
$59.90
A strapless black glitter mermaid dress with ruched sides and a dramatic floor-length knit silhouette.
$62.90
A black satin knit formal dress with a ruched bodice, square neckline, and sultry front slit.
$129.90
An enchanting black satin A-line dress with a sheer corset bodice and high front slit.
$59.90
A black off-the-shoulder mermaid gown featuring luxe ruching, sheer lace bodice, and smooth knit fabric.
$89.90
A black floor-length bodycon dress featuring a sheer lace corset bodice and sultry cold shoulder design.
$59.90
A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.
$19.97 $74.90 73% off
A black crepe mermaid dress with sheer lace panels and a sweetheart neckline for formal events.
$79.90
A black glitter mermaid dress with a lace-up back and sweetheart halter neckline.
$69.90
A black floral mesh mermaid dress with a cutout halter neckline and padded bra cups.
$19.97 $109.90 82% off
A glamorous black lace sequin dress with a mermaid silhouette and flirty low-cut back.
$164.90
A black mermaid formal dress featuring a corset bodice, lace-up back, and high front slit.
$69.90
A stunning black bodycon formal dress featuring an open back, high slit, and floor-length hem.
$19.97 $42.90 53% off
A black formal maxi dress with a cowl neckline, side ruching, and a thigh-high slit.
$19.97 $69.90 71% off
A black mesh formal dress with a halter neckline, lace sequin cups, and mermaid silhouette.
$99.90
A black satin mermaid dress featuring a sequin applique bodice and high front slit.
$119.90
A black strapless A-line gown with a glittery corset bodice and high front wrap slit.
$79.90
A stunning black mermaid dress with a glitter finish and elegant lace-up back.
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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 & FeaturesOne-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, Free Shipping on All Orders Over $75. | Windsor Cheyenne Formal One-Shoulder Velvet Dress in Black-2 | Size: S | Rhinestone/Velvet Fabric
Dare to stun in the Jamie satin formal dress crafted with silky satin fabric for a gorgeous sheen. The bold plunge halter neckline and open lace-up back will turn heads while the fitted column silhouette flaunts your curves. Fit & FeaturesSilky satin fabric, short knit stretchy lining, Plunge halter V-neckline, shoulder straps, padded bra cups, Lace-up open back, lower zipper with hook-eye closure, High side slit, Fitted column silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, weddings, galas, and black-tie soirees. Free Shipping on All Orders Over $75. | Windsor Jamie Lace-Up Satin Formal Column Dress in Red | Size: XS | Knit Fabric/Satin Fabric
Sophistication meets sultry on the Marjorie formal dress perfect for cocktail parties and dressy family get-togethers. She features sheer chiffon peasant long sleeves, a square neckline, a bodycon silhouette, and a front ruched seam leading to the skin-flaunting slit along her midi-length hem. The formal dress is composed of a lined crepe fabric with a moderate stretch. Style with a chic clutch and heels to complete the look! Fit & FeaturesSheer chiffon peasant long sleeves, square neckline, Front ruched seam, slit detail, Bodycon silhouette, Midi-length hem, Lined crepe fabric, moderate stretch, Bra-friendly design, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marjorie Formal Chiffon Sleeve Midi Dress in White | Size: S | Chiffon/Crepe Fabric
A chic staple skater dress featuring a flirty off-the-shoulder folded neckline and a short-length perfect for styling with boots or heels. Fit & FeaturesRibbed knit fabric with plenty of stretch, Off-the-shoulder neckline, fold-over accent, Long fitted sleeves, Short-length hem, Skater silhouette, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Chic Staple Ribbed Knit Skater Dress in Black | Size: M | Knit Fabric
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: L | Knit Fabric
A sparkling sequin scroll pattern adds beauty and shine to the glamorous Saige formal long dress! With a lace-up back that turns heads, a curve-hugging mermaid silhouette, and a high slit for a gorgeous look. Fit & FeaturesSequin scroll pattern, mesh fabric, stretchy full knit lining, Sleeveless plunge V-neckline, padded bust, Spaghetti straps, open lace-up back detail, Back zipper and hook-eye closure, Mermaid silhouette, floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, glam functions, and parties. Free Shipping on All Orders Over $75. | Windsor Saige Formal Sequin Lace-Up Mermaid Dress in Lavender | Size: XS | Knit Fabric/Mesh Fabric/Mesh 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
Bring the romantic allure to the evening affair in the Marylou lace mesh plunge formal dress! She embodies flirtatious style in a sleeveless plunge V-neckline with a built-in padded bust and adjustable spaghetti straps on her empire waist bodice. The sparkly embroidered lace mesh fabric effortlessly flows into a floor-length silhouette with a high-side slit to showcase some legs. She also features a curve-conscious silhouette to flaunt your stunning figure! Complete the look in an elegant hair clip. Fit & FeaturesPlunge V-neckline, adjustable spaghetti straps, Adhesive bra recommended, built-in padded bust, High side slit, back zipper, hook and eye closure, Empire waist, form-fitting silhouette, Floor-length hem, Sparkly embroidered lace mesh fabric, full knit lining, moderate stretch, Runs true to size, Free Shipping on All Orders Over $75. | Windsor Marylou Lace Mesh Plunge Neck Formal Dress in Black | Size: L | Knit Fabric/Mesh Fabric/Mesh 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 Green | 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 Brown | Size: L | Satin Fabric
Floor Length Black Formal Dresses
There’s just something magnetic about slipping into a floor length black formal dress—like flipping a switch that instantly turns you into the main character. Whether you're making your grand entrance at a gala, gliding through a black-tie wedding, or owning the dance floor at prom, black floor length dresses are the ultimate power move. They’re iconic for a reason: endlessly flattering, always in style, and ready to adapt to your vibe, no matter what the invite says. Picture this: the soft swish of fabric around your ankles, the way that deep, inky black catches the light and makes your jewelry pop, the hush that falls when you walk into the room. It’s not just a dress—it’s a declaration. When you’re shopping for a black floor length formal dress, it’s all about finding the one that matches your energy. Maybe you want a dramatic slit that shows off your killer heels, or a sleek silhouette that hugs every curve. Some girls live for the subtle shimmer of a sequin detail, while others want to keep it classic with a minimalist cut and a bold lip. Don’t forget about the little things: adjustable straps, hidden pockets (because who doesn’t love a surprise?), or a back detail that’s just begging for an over-the-shoulder photo. The beauty of a black formal floor length dress is that it’s a blank canvas for your personal style—add a statement clutch, layer on those necklaces, or go full Hollywood with a faux fur wrap.
Black floor length dresses are also the ultimate gift for the girl who’s got a packed social calendar and nothing to wear (because let’s be real, that’s all of us at some point). They’re a go-to for bridesmaids who want something universally flattering and re-wearable, or for the friend who’s celebrating a milestone birthday and deserves to feel like a queen. Even if you’re just treating yourself (as you should), investing in a floor length black dress means you’ve got a secret weapon hanging in your closet, ready to come to the rescue whenever the next RSVP lands in your inbox. And if you’re in the mood to switch things up, don’t sleep on the elegance of a crisp white moment—check out our Floor Length White Formal Dresses for a fresh take that’s just as show-stopping. No matter where you’re headed, wearing a black floor length formal dress is about more than just looking good—it’s about feeling unstoppable. So go ahead, take up space, light up the room, and let your confidence do the talking. This is your story, and you deserve a dress that lives up to the plot twist.