Katy Perry Halloween Costume Ideas
20 Katy Perry Costume Ideas For All You California Gurls
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For the 2014 VMAs, Katy paid homage to Britney Spears in an all-denim look, similar to what Britney wore for the 2001 American Music Awards.
What to wear: Nothing but denim. Bonus points if you have a partner to go with you, also wearing all denim.