Last Night's Look: Hit or Miss?

Vote on all this week's styles, including Taylor Swift, Sarah Michelle Gellar and more stars! You decide – are they fashionistas or flops?

EMMA STONE

Crazy, Stupid, Love's star plays off her back-to-red hair with a shamrock-green lace Dolce & Gabbana sheath, leopard-print Brian Atwood pumps and Jack Vartanian gems to visit The Tonight Show with Jay Leno in L.A.