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!

JESSICA CHASTAIN

A redhead in yellow? Believe it. The star of Broadway's The Heiress glows in a butter lace dress, worn with nude heels and Harry Winston jewels to the show's opening night party.