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

EMILY BLUNT

Radiant in a backless tangerine halter gown (that editors here are drooling over), plus a black clutch and cocktail rings, the actress attends the Harper's Bazaar Women of the Year awards in London.