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.

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$69.90

4.628319 star rating

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

$49.90

4.569231 star rating

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

$59.90

4.85 star rating

A strapless black knit formal dress featuring pleated side seams and a dramatic high side slit.

$59.90

4.615385 star rating

A black crepe mermaid dress with a square halter neckline and elegant high front slit.

Sale

$46 $64.90 29% off

4.578948 star rating

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

$79.90

4.571429 star rating

A black satin mermaid dress featuring a halter neckline, open cross-back, and a high front slit.

$39.90

4.584796 star rating

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

$39.90

4.630952 star rating

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

$89.90

4.84 star rating

A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.

$64.90

4.25 star rating

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

$109.90

4.916667 star rating

A black sequin bodycon dress with a high slit, adjustable straps, and a floor-length hem.

$69.90

4.266667 star rating

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

$64.90

5 star rating

A sleek black formal dress with a V-neckline, strappy back, and high side slit.

$64.90

4.833334 star rating

A chic black strapless mermaid dress featuring a pleated wrap-front design with a high-cut slit.

$74.90

3.75 star rating

A black glitter knit mermaid dress with a halter neckline and high front wrap slit.

Sale

$19.97 $79.90 75% off

4 star rating

A chic black mermaid dress featuring a sheer mesh corset bodice and adjustable crisscross straps.

$59.90

5 star rating

A strapless black glitter mermaid dress with ruched sides and a dramatic floor-length knit silhouette.

$69.90

5 star rating

A black lace bodycon dress with a sweetheart neckline and high front slit for formal events.

$69.90

4.807693 star rating

A black lace mesh formal dress with a plunge neckline, high slit, and adjustable straps.

$59.90

4.904762 star rating

A stunning black mermaid dress with a cowl neck, lace-up back, and high front slit.

$69.90

4.3 star rating

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

$74.90

4.428571 star rating

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

$64.90

5 star rating

A sleek black knit mermaid dress featuring a scoop neckline, open back, and high front slit.

$59.90

4.666667 star rating

A black satin slim-fit formal dress featuring a corset bodice and floor-length hem with slit.

Sale

$19.97 $79.90 75% off

4.833334 star rating

A black satin A-line formal dress featuring a chic tie-back and high front slit.

$79.90

5 star rating

A black satin mermaid dress with a high slit, adjustable straps, and a romantic train.

$59.90

4.6 star rating

A luxurious black velvet gown with a sweetheart neckline, sheer mesh bodice, and high wrap slit.

Sale

$19.97 $69.90 71% off

4.4 star rating

A black glitter knit mermaid dress with a pleated cowl neck and adjustable spaghetti straps.

Sale

$19.97 $74.90 73% off

5 star rating

A black crepe mermaid dress with sheer lace panels and a sweetheart neckline for formal events.

$62.90

4.25 star rating

A black satin knit formal dress with a ruched bodice, square neckline, and sultry front slit.

$129.90

4 star rating

An enchanting black satin A-line dress with a sheer corset bodice and high front slit.

$109.90

4.333334 star rating

A glamorous black satin formal dress featuring a lace corset bodice and high front wrap slit.

$59.90

4 star rating

A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.

$69.90

5 star rating

A stunning black bodycon formal dress featuring an open back, high slit, and floor-length hem.

$89.90

4.333334 star rating

A black floor-length bodycon dress featuring a sheer lace corset bodice and sultry cold shoulder design.

$79.90

4.333334 star rating

A black glitter mermaid dress with a lace-up back and sweetheart halter neckline.

$69.90

4.666667 star rating

A black floral mesh mermaid dress with a cutout halter neckline and padded bra cups.

Sale

$19.97 $109.90 82% off

5 star rating

A glamorous black lace sequin dress with a mermaid silhouette and flirty low-cut back.

$164.90

5 star rating

A black mermaid formal dress featuring a corset bodice, lace-up back, and high front slit.

Sale

$19.97 $69.90 71% off

4.5 star rating

A black mesh formal dress with a halter neckline, lace sequin cups, and mermaid silhouette.

Sale

$19.97 $69.90 71% off

5 star rating

A black glitter knit mermaid dress with a V-neck, high slit, and adjustable spaghetti straps.

$49.90

4 star rating

A black crepe mermaid gown with a square neckline, corset bodice, and high front slit.

$99.90

4.5 star rating

A black satin mermaid dress featuring a sequin applique bodice and high front slit.

$79.90

5 star rating

A stunning black mermaid dress with a glitter finish and elegant lace-up back.

$119.90

5 star rating

A black strapless A-line gown with a glittery corset bodice and high front wrap slit.

$79.90

4 star rating

A black satin formal dress featuring an open strappy back and elegant mermaid silhouette.

$79.90

5 star rating

A sparkling black formal dress with a cutout bodice, high slit, and adjustable spaghetti straps.

Sale

$19.97 $42.90 53% off

4.5 star rating

A black formal maxi dress featuring a sleeveless cowl neckline, side ruching, and a high slit.

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Windsor Mayra Formal Satin Slit Long Dress in Sage
(176) 4.619318 star rating

Slip into the luxe vibes of Mayra! Designed to highlight your figure, this formal satin dress delivers a chic form-hugging fit and a high slit for effortless movement. Fit & FeaturesSmooth satin-knit fabric, moderate stretch, Sleeveless square neckline, spaghetti straps, Fitted bodice, side hip pleating, Form-fitting silhouette, high-cut front slit, Floor-length hem, Style runs small, Where to Wear:Homecoming, weddings, black-tie parties, galas, military balls, engagement parties, rehearsal dinners, bridal celebrations, birthday events, milestone celebrations Free Shipping on All Orders Over $75. | Windsor Mayra Formal Satin Slit Long Dress in Sage | Size: S | Satin Fabric

Windsor Sasha Formal High Slit Wrap Dress in Black
(171) 4.5847955 star rating

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. Fit & FeaturesCrepe fabric, moderate stretch, Asymmetrical wrap V-neckline, Adjustable spaghetti straps, Ruched detailing, slim-fit bodice, High front slit, floor-length wrap silhouette, Runs true to size, Where to Wear:Prom, black-tie weddings, and formal parties. Free Shipping on All Orders Over $75. | Windsor Sasha Formal High Slit Wrap Dress in Black | Size: XS | Rhinestone

Marissa Formal Satin Cowl Neck Dress in Green
(169) 4.5680475 star rating

The Marissa long satin dress brings elegance and sultriness to your formal night. The floor-length gown enhances your curves with a fitted bodice and flattering A-line silhouette while the high front slit provides movement. Fit & FeaturesStretch-satin fabric, non-see-through, double-lined bust, Sleeveless pleated cowl neckline, spaghetti straps, Slim-fit bodice, empire waistline, High front slit, floor-length hem, A-line silhouette, Runs true to size, Where to Wear:Prom, weddings, black-tie soirees, special date nights, and engagement parties. Free Shipping on All Orders Over $75. | Windsor Marissa Formal Satin Cowl Neck Dress in Green | Size: S | Satin Fabric

Windsor Rowena Sequin Mermaid Dress in Navy Blue
(168) 4.7261906 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 Cheyenne Formal One-Shoulder Velvet Dress in Black-2
(124) 4.782258 star rating

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

Addison Glitter Mesh Formal Dress in Black
(113) 4.628319 star rating

Make a sparkly statement at your next soiree in the trendy glam Addison glitter formal dress! Bring radiance to the room in this floor-length dress with a sleek design that fits like a glove. Fit & FeaturesSheer glitter mesh fabric, full knit stretchy lining, Sleeveless cowl neckline, spaghetti straps, High waist seam, Floor-length fitted silhouette, Runs true to size, Where to Wear:Prom, black tie weddings, galas, special date nights, rehearsal dinner Free Shipping on All Orders Over $75. | Windsor Addison Glitter Mesh Formal Dress in Black | Size: XS | Knit Fabric/Mesh Fabric/Mesh Fabric

Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow
(89) 4.573034 star rating

Embellished with light-catching sequins, the Bethanie formal dress is a clear stunner with a lace-up back and a flattering mermaid silhouette with a floor-length hem. Fit & FeaturesSequin-scroll pattern, mesh fabric, stretch knit lining, Sleeveless V-neckline, padded bust, Lace-up back, zipper and hook-eye closure, Mermaid silhouette, Floor-length hem, Runs true to size, Where to Wear:Prom, black-tie events, formal weddings, and upscale parties. Free Shipping on All Orders Over $75. | Windsor Bethanie Formal Sequin V-Neck Mermaid Dress in Yellow | Size: S | Knit Fabric/Mesh Fabric/Mesh Fabric

Windsor Alisha Rhinestone Strap Formal Dress in Black
(84) 4.6309524 star rating

Sultry and stunning, the Alisha formal dress will keep all eyes on you. With thin rhinestone detailed straps that give effortless sparkle and a curve-hugging silhouette, and an alluring high slit. Fit & FeaturesLightweight, breathable stretchy fabric, Sleeveless cowl neckline, Rhinestone detailed straps, High waist seam, Floor-length hem, form-fitting silhouette, high slit, Runs true to size, Where to Wear:Prom, glamorous evenings, dinner parties, weddings Free Shipping on All Orders Over $75. | Windsor Alisha Rhinestone Strap Formal Dress in Black | Size: L | Stretchy Fabric/Rhinestone

Windsor Jamie Lace-Up Satin Formal Column Dress in Red
(70) 4.785714 star rating

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

Rose Formal Mesh Corset Column Dress in Green
(67) 4.447761 star rating

The Rose formal long column dress is the perfect combination of elegance and glamour with a sheer corset trim and high-side slit for effortless allure! Fit & FeaturesMesh fabric, partial stretchy knit lining, Sleeveless sweetheart neckline, cowl pleating, Adjustable spaghetti straps, crisscross open back, Padded bust, sheer corset bodice, flexible boning, Side ruched seams, fitted column silhouette, High-side slit, floor-length hem, Style runs small, Where to Wear:Prom, weddings, bridesmaids, rehearsal dinners, cocktail soirees, and dressed-up date nights. Free Shipping on All Orders Over $75. | Windsor Rose Formal Mesh Corset Column Dress in Green | Size: M | Knit Fabric/Mesh 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.

Top Picks For Floor Length Black Formal Dresses