Celeb Fashion Hit or Miss

Vote on this week's styles from Mary-Kate Olsen, Rihanna, Blake Lively and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

RIHANNA

The Grammy winner arrives at the Chanel runway show in Paris sporting an oversized patterned sweater and funky neon blue t-strap pumps from the design house's Paris/London Collection.