Plus Size Black One Shoulder Sequin Cocktail Dress

When the moment calls for something unforgettable, this is the dress you reach for. Sleek, striking, and undeniably confident, this plus-size black one-shoulder sequin cocktail dress is designed to stand out from the second you walk in.

The asymmetrical one-shoulder neckline creates a modern, fashion-forward silhouette that instantly stands out, while the curve-skimming fit enhances your shape in all the right places. Crafted in stretch sequin fabric with a flexible lining, this dress moves with you comfortably from cocktails to the dance floor. The multi-tone sequins reflect subtle warm highlights under light, adding depth and dimension that shifts beautifully as you move.

The shorter length adds a playful, high-energy edge, balanced by clean lines that keep the look polished and confident.

The shorter length adds a playful, elevated edge, balanced by clean lines and a polished finish that keeps the look refined. A center back zipper ensures a smooth, secure fit, so you can step out feeling confident and completely at ease.

Limited inventory—available in extended sizes only. Don’t miss your chance to own this sparkly look.

Love this silhouette? This style is also available in Emerald Green, Ruby Red, and Sapphire Blue (extended sizes only), each bringing its own bold energy to this signature sequin look.

• Slim silhouette
• Stretch sequin fabric
• Above knee length
• Hollow to hem measures 37 inches
• Asymmetrical neckline
• Fitted bodice
• Lined bodice
• One shoulder strap, long sleeve
• Lined sleeve
• Natural waistline
• Fitted skirt
• Right leg slit
• Skirt fully lined in stretch knit
• Asymmetrical back
• Center back zipper
• Makes any occasion sparkle

• Model is 5'8 inches tall wearing a size 16
• Style runs big
• Allow for alterations
• Spot clean only

Need sizing help?
Contact our Fashion Team.

Q: Is the length appropriate for someone who doesn’t want a skirt that's too short?

A: The hemline typically hits above the knee, offering a playful look while still providing comfortable coverage.

Q: What types of events can I wear this plus size black sequin one-shoulder dress?

A: Sydney's Closet Style SC8112 is the perfect choice to wear to cocktail parties, homecoming, weddings, holiday events, or any occasion where you want something fun yet polished.

Q: Does the color have any variation in the sequin fabric?

A: Yes. This dress is made with multi-tone sequin fabric that reflects light in different ways. While the base color is the dominant shade, you may notice subtle warm highlights that add depth and dimension to the look.

We ship UPS for all domestic retail shipments.

Transit Times:

- Ground (3-5 business days)
- Three-Day Air (3 business days)
- Two-Day Air (2 business days)
- Overnight Air (1 business day)

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Whenever possible, we exchange merchandise for size, color or another style. Sydney's Closet offers free ground shipping to send you the exchange item(s).

All returns need a RA to be processed. You must get a RA within 5 (five) days of receiving your items.

Follow the instructions on our returns & exchanges portal.