Last Night's Look: Hit or Miss?

Vote on this week's styles including Megan Fox, Kristen Stewart and more stars! You decide – are they fashionistas or flops?

KATY PERRY

Bringing the tropics to Manhattan, Katy strikes a pose in a skin-tight turquoise mini – printed with hot pink palm trees! – perfectly accessorized with bright pumps and matching lips in N.Y.C.'s Times Square.