Plus Size Sapphire Blue One Shoulder Sequin Party Dress

When the moment calls for something unforgettable, this is the dress you reach for. This plus-size Sapphire Blue one-shoulder sequin cocktail dress delivers a refined kind of impact—cool-toned, modern, and effortlessly striking.

The asymmetrical one-shoulder neckline creates a clean, fashion-forward silhouette, 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 shorter length adds a modern edge, balanced by smooth lines that keep the look polished and composed. A center back zipper ensures a secure, streamlined fit, so you can step out feeling confident and completely at ease.

Perfect for cocktail parties, wedding celebrations, nights out, and special events, this is the dress that feels elevated without trying too hard.

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 Onyx Black, Emerald Green, and Ruby Red (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: Can I wear this Sydney's Closet dress confidently for a long event?

A: Yes! Its design, stretch fabric, and secure strap make it comfortable and polished for an entire evening of dancing, photos, and socializing.

Q: Is this dress comfortable for dancing and moving around all night?

A: Absolutely. The stretch sequin fabric and soft lining allow for easy movement, so you can enjoy everything all night long from drinks to dinner to dancing comfortably.

Q: Is Sapphire Blue a flattering color for plus-size?

A: Yes. According to design experts at Sydney's Closet, Sapphire Blue is universally flattering, offering a rich, cool-toned alternative to black that feels both elegant and modern.

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.