Celeb Fashion Hit or Miss?

Vote on this week's styles including RIhanna, Miley and more stars! You decide – are they fashionistas or flops?

Credit: Kevin Mazur/WireImage

Updated: Saturday Sep 06, 2008 | 11:25 AM EDT

RIHANNA

The normally edgy singer goes for all-out glamour in a black silk gazar Monique Lhuillier gown and Cartier jewels for her Fashion Rocks appearance.