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


There are LBDs so boring they go unnoticed, and then there are LBDs so sexy they unhinge jaws. And you don't need us to tell you which category Christina's V-neck cocktail dress falls under. She adds matching pumps and a delicate bracelet for a Johnnie Walker Blue Label event in Rio de Janeiro, Brazil.