Katy Perry's 5 Wackiest Bras

The California girl rocks bras made of film reels, cupcakes, fireworks and other looks so hot, they'll met your Popsicle

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BABY, YOU'RE A FIREWORK

Katy makes 'em go "oh, oh, oh" and leaves us all in "awe, awe, awe" as she shoots sparklers out of her bra across the "sky-y-y" in the pyrotechnics-heavy music video for her 2011 hit "Firework."