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?

HILARY DUFF

The star shows off her small waist in a bold Hervé Léger by Max Axria belt over a tiered gray skirt and black tank top with Avakian jewels at the grand opening of the SLS hotel in Los Angeles.