Katy Perry Halloween Costume Ideas
20 Katy Perry Costume Ideas For All You California Gurls
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There are so many good looks to choose from in this video. Katy sports a variety of outfits and hairdos while singing along to this jammy song from 2014.
What to wear: A pizza-print one-piece swimsuit and red, heart-shaped sunglasses. Carry around watermelon to snack on.