Last Night's Look: Love It or Leave It?Check out the head-turning outfits Kate Middleton, Katy Perry and more stars were just spotted in! Then decide – fabulous or fashion faux pas?

KATE BOSWORTH

Wearing a simple copper sheath and black stackers (both by Theyskens' Theory), the star makes a minimalist statement at an N.Y.C. bash for hairstylist Harry Josh.