Last Night's Look: Hit or Miss?

Vote on this week's styles including Jennifer Lopez, Kim Kardashian and more stars! You decide – are they fashionistas or flops?

RIHANNA

After partying with Katy Perry over the weekend, the singer" makes a coordinated outing in a Charley 5.0 denim tube dress, matching blue suede pumps and '80s-style hat while out in N.Y.C.