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

JULIANNE MOORE

The host of the Diamond Information Center Gala Dinner tells PEOPLE of her 667 dress, "I wanted to wear something that was new and different and had kind of a fresh point of view."