women's cocktail & party dresses Semi-Formal Model is wearing Black color. Designer Cocktail & Party Dresses

A clean zip-up closure framed by sheer lace detailing completes the back, ensuring you look breathtaking from every angle

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Although you're a guest at the wedding, that does not mean you and your plus one can't also look amazing

Eilish wore the high-necked, sheer frock over a black satin Agent Provocateur corset ($755), pairing the look with matching beaded elbow-length gloves and a long, ribbon-trimmed braid

Whether it be the perfectly fitted white tee, the hugs-in-all-the-right-places pair of jeans, or the give-you-legs-for-days heels, certain items end up in the closets of every fashion girl because they're that good

What youll love: The dress is made with flexible materials such as spandex and polyester to make it comfortable to sit in