Celeb Fashion Hit or Miss?

Vote on this week's styles including Heidi Montag, Madonna and 36more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

CAMERON DIAZ

The What Happens in Vegas star makes a brave and stunning appearance at the film's Los Angeles premiere in a slim red Zac Posen dress and black Sergio Rossi pumps.