Last Night's Look: Hit or Miss?

Vote on this week's styles including Mary-Kate, Fergie and more stars! You decide – are they fashionistas or flops?

JENNIFER ANISTON

PEOPLE's cover girl plays up her happy attitude in a strapless Dolce & Gabbana dress, Fred Leighton jewels and a Burberry clutch at the Just Go With It screening in N.Y.C.