black maxi evening dress Azazie Ruffles Sleeveless Mermaid / Gown while the luxuriously soft jersey fabric drapes beautifully along your silhouette for an effortlessly graceful look High Life | Black Sequin

If the big day is black tie, you will probably be expected to wear a semi-formal suit the night before

UPDATE: Thank you for looking at our popular FROZEN inspired Princess Anna Dress Up Costume, now featured by Parents Magazine

A modern style for prom, fancy galas, and other formal events, this surprisingly affordable long prom dress, under $100, is uniquely eye catching for your big night

The partially see-through back flows into a lace-covered fishtail skirt, topped with a stunning button line down the spine

We also adore their cool, abstract patterns and, word on the street is, the fit of their dresses is heavenly

[Editor's note: The size ranges listed below are the widest ranges available sitewide and may not represent the sizes available of the dresses in this article.] ASOS Why We Love It: While you may know ASOS as your favorite online retailer for easy-to-wear tees and tried-and-true jeans, the British e-tailer also has an in-house bridal line not to mention plenty of wedding dress options from other brands