Celeb Fashion Hit or Miss?

Vote on this week's styles including Sienna Miller, Julia Roberts and more stars! You decide – are they fashionistas or flops? By Melissa Liebling-Goldberg

NICOLE RICHIE

The new mom turns up in jeweled Dries van Noten to the Cartier Loveday celebration where beau Joel Madden helped launch a Love bracelet to beneft the Richie-Madden Children's Foundation.