One Shoulder Long Black Dresses
One shoulder long black dresses are your ticket to turning every entrance into a main character moment. When you want a look that’s equal parts daring and classic, this is the vibe. Effortlessly cool with just the right amount of drama, these dresses are made for the girl who knows she’s unforgettable. Whether it’s a night out or an RSVP-only affair, all eyes are guaranteed to be on you—because with one shoulder long black dresses, you’re never just showing up, you’re shutting it down.
$59.90
A sleek black knit formal dress featuring a one-shoulder neckline and ruffled high side slit.
$89.90
A black floor-length bodycon dress featuring a sheer lace corset bodice and sultry cold shoulder design.
$39.90
A sultry black one-shoulder bodycon midi dress crafted from smooth, stretchy double-lined knit fabric.
$19.97 $44.90 56% off
A black one-shoulder tropical maxi dress with a ruffled slit and metal-accented strap.
$59.90
A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.
$59.90
A chic black velvet mermaid dress featuring a one-shoulder neckline and high front wrap slit.
$59.90
A stunning black mesh formal dress featuring a one-shoulder neckline and elegant mermaid silhouette.
$39.90
A sultry black formal dress with rhinestone straps, a high slit, and a curve-hugging silhouette.
$69.90
A black glitter-knit mermaid dress with an off-the-shoulder neckline and sultry side slit.
$89.90
A black knit mermaid dress featuring an off-the-shoulder neckline and dramatic high front slit.
$109.90
A stunning black sequin dress featuring a lace-up back, sweetheart neckline, and high front slit.
$9.97 $42.90 77% off
A glittery black mini dress with a one-shoulder balloon sleeve and front tie ruching.
$74.90
A black satin mermaid dress featuring cold-shoulder sleeves, ruched sides, and a dramatic floor-length hem.
$59.90
A glamorous black bodycon dress featuring glitter knit fabric, off-the-shoulder neckline, and high slit.
$74.90
An elegant black glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.
$64.90
A chic black mini dress with rhinestone embellishments, featuring a one-shoulder neckline and sheer sleeve.
$64.90
An elegant black mesh dress featuring an off-the-shoulder neckline, sheer long sleeves, and a high side slit.
$59.90
A black off-the-shoulder mermaid gown featuring luxe ruching, sheer lace bodice, and smooth knit fabric.
$9.97 $42.90 77% off
A black velvet mini dress featuring an asymmetric one-shoulder neckline and ruched bodycon silhouette.
$19.97 $64.90 69% off
An elegant black mermaid dress with an off-the-shoulder neckline and ruched bodice.
$19.97 $69.90 71% off
A black knit mermaid dress with an off-the-shoulder neckline and lace-up back design.
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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: XL | 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: XS | 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 Pink | Size: S | 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
Chandler Strapless Lace-Up Sequin Formal Dress in Neon Orange
$19.97 $99.90
80% off
Chic with an elegant bold flair, the Chandler sequin formal dress was made to bring the drama. The floor-length dress has an alluring open back with a strappy lace-up design for customizable wear and a high slit for effortless allure. Fit & FeaturesSheer mesh fabric, full knit lining, moderate stretch, Strapless sweetheart neckline, angled design, structured boning, Open back, strappy lace-up design, tie closure, Fitted bodice, high waist seam, lower back zipper, hook and eye closure, Floor-length hem, high front slit, A-line silhouette, Sequin embroidery, scroll pattern, Runs true to size, Where to Wear:Prom, black-tie galas, red-carpet events, and fancy soirees. Free Shipping on All Orders Over $75. | Windsor Chandler Strapless Lace-Up Sequin Formal Dress in Neon Orange | Size: S | Knit Fabric/Mesh Fabric/Sheer 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 Brown | Size: M | Knit Fabric
One Shoulder Long Black Dresses
There’s just something magnetic about a one shoulder long black dress—it’s that ultimate “main character energy” piece that turns any entrance into a moment. When you’re browsing through a lineup of these sleek, modern silhouettes, you’re not just shopping for a dress—you’re picking your next power move. Whether you’re plotting a rooftop celebration, glamming up for a formal night out, or simply looking to break some hearts at a bestie’s birthday bash, this style has your back (and your best angles). The one shoulder cut is a total confidence booster, giving you that perfect blend of drama and sophistication, while the classic black shade keeps it timeless and versatile. You know that feeling when you slip into something that just *gets* you? That’s exactly what you get with a one shoulder long black dress: instant elevation, zero effort. It’s a look that works all year round, from sultry sunset dinners to late-night dance floors, and it’s always in the running for best-dressed—no matter the guest list.
If you’re on the hunt for a gift that’ll have your favorite person texting you heart emojis for days, a black one long sleeve dress or a one shoulder stunner is basically a love letter in outfit form. It’s the kind of piece that fits a million occasions, so it’s perfect for the friend who’s always RSVP-ing “yes” or the sister who lives for a little drama (the good kind, obviously). When you’re choosing a dress like this, think about the little details: a slinky fabric for that liquid-gloss vibe, a high side slit for legs-for-days energy, or maybe a touch of sparkle because, well, why not? The beauty of the one shoulder long black dress is that it plays well with everything—from bold statement earrings to your comfiest block heels, or even that leather moto jacket you “borrowed” from your roommate and never gave back. And let’s be real, it’s a lifesaver for those “I have nothing to wear” moments that pop up right before an event. With its universally flattering shape and built-in wow factor, this dress is a closet hero that’s always ready for a close-up.
When you’re ready to channel your inner icon and make every occasion unforgettable, you’ll find yourself coming back to these dresses again and again. They’re the low-key secret weapon for anyone who wants to look put-together with minimal fuss—just add a swipe of your favorite lipstick and you’re out the door. If you’re craving even more inspo or want to see how this look can take you from chill cocktail hour to full-on red carpet, check out our curated collection of One Shoulder Black Party Dresses for endless ways to slay. Trust, this is one wardrobe staple you’ll never regret adding to your rotation—because every Windsor girl deserves to feel unstoppable, one shoulder at a time.