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

ASHLEE SIMPSON

Simpson is perfectly chic in an McQ-Alexander McQueen gray strapless dress, Christian Louboutin heels and a Chanel cuff at the Kids' Choice Awards.