People.com's Halloween Party

Stars' Halloween-Worthy Looks

Dressing up like a celeb? See the outrageous outfits of Katy Perry, Nicki Minaj and more – and tell us which one you'd wear Oct. 31!

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KE$HA

The glitter-loving singer adheres to a trashy-chic look (she even once wore a garbage bag), first pairing mud-crusted boots with a fluffy coat, then taking the stage in a shredded American-flag shirt and tights, and finally stepping out in London in a sparkling skeleton bodysuit.