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.
$59.90
A sleek black knit mermaid gown featuring a one-shoulder neckline, side cutout, and attached sash.
$69.90
A black glitter-knit mermaid dress with an off-the-shoulder neckline and sultry side slit.
$74.90
An elegant black glitter knit mermaid dress with an off-the-shoulder neckline and high front slit.
$39.90
A sultry black one-shoulder bodycon midi dress crafted from smooth, stretchy knit fabric.
$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.
$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 with a lace-up back, sweetheart neckline, and high front slit.
$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.
$64.90
An elegant black mesh dress featuring an off-the-shoulder neckline, sheer long sleeves, and a high side slit.
$89.90
A black floor-length bodycon dress featuring a sheer lace corset bodice and sultry cold shoulder design.
$59.90
A black off-the-shoulder mermaid gown featuring luxe ruching, sheer lace bodice, and smooth knit fabric.
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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
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
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
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
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
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
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
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
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
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
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.