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Christina Aguilera

Dear celebs -- including you, Christina Aguilera -- it's never cold enough in Los Angeles to warrant wearing a stocking hat. It's also never Halloween enough to warrant wearing those leggings. (10/31/2012)

What Were They Thinking?!

This week's worst-dressed crew includes Sharon Stone, Kourtney Kardashian, and Christina Aguilera. -- By Matt Whitfield, Yahoo! Staff