Popsugar Fashion Met Gala Sexiest Dresses at Met Gala 2014 A Formal Theme Doesn't Keep Sexy Away May 5, 2014 by Leah Melby View On One Page Photo 3 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Cara Delevingne at the Costume Institute Ball What ball gown? Cara Delevingne showed that she plays by her own rules in a two-piece set made up of an intricate crop top and skinny white pants. Previous Next Start Slideshow Met GalaRed Carpet