black prom dresses Mermaid Gothic Formal Evening Gown Party Detachable Train Full Length Sleeve Style Black Prom Dresses Trumpet/Mermaid Strapless

STYLE TIP Choose a midi dress that ends slightly above or below the widest part of your calves to create a flattering, leg-elongating silhouette

The best choice respects the occasion

At least if youre Kate Moss, who kicks off our list of the five slips that changed fashion history, each paving the way for todays trend

Helsa Novie Maxi Knit Dress This dress plus a gorgeous tan

Elle Fanning and Kylie Jenner wore the exact same Grace Kellyesque black Bottega Veneta tea-length dress in Cannes and Paris, respectively, while Dakota Johnson swanned around Milan in a sculptural black Versace sheath that was as formfitting as Princess Dianas famous revenge dress

A burgundy, deep plum, or forest green version works for fall and winter events, from Thanksgiving dinners to holiday concerts