Last Night's Look: Love It or Leave It?We can't stop talking about Duchess Catherine's black lace dress, Michelle Dockery's sleek gown and more outfits that stars were just spotted in. Check them out, then vote – fashion-forward or fashion fail?

MICHELLE DOCKERY

This gown helped land Gwyneth Paltrow at the top of last year's PEOPLE Best Dressed list so we can't blame the Downton Abbey star for choosing the same black, gold-belted Stella McCartney design for the Winter Whites Gala in London.