Last Night's Look: Hit or Miss?

Vote on this week's styles including Sienna Miller, Nicole Richie and more stars! You decide – are they fashionistas or flops?


The newly blonde starlet goes casual in a bold blue tank, zipper-detailed skinny jeans, platform sandals and her gold-tinted aviators for a celebration in honor of handbag line Treesje's Magnolia Collection relaunch at Kitson in L.A.