Celeb Fashion Hit or Miss?

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

CHRISTINA AGUILERA

Looking like a real-life bronze goddess, the singer heads to the Grammy nominations concert in an elegant strapless, metallic gown by Monique Lhuillier with her hair in a chic chignon.