Last Night's Look: Love It or Leave It?Check out the head-turning outfits Kristen Stewart, Kim Kardashian and more stars were just spotted in! Then decide – fabulous or fashion fail!

KEIRA KNIGHTLEY

Echoing the romantic vibes of her film Anna Karenina, the star makes a sweeping statement at the film's N.Y.C. screening in an embroidered black Valentino Haute Couture gown and ruby red lips.