Celeb Fashion Hit or Miss?

Vote on this week's styles from Renée Zellweger, Mariah Carey and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

CAMERON DIAZ

The leggy star is the picture of spring in her flowered Missoni minidress and cropped white jacket at Nickelodeon's Kids' Choice Awards in L.A.