Nobody can rock slime green hair quite like her.
Want more of Katy Perry? You should check this out!
ROAR! Bring on the sass and sing along with our July 2014 cover girl.
It's a Cosmo and Katy Perry world this month! Not only is the "Dark Horse" singer our July 2014 cover girl, she's also Cosmopolitan's global cover star in 62 other editions worldwide! Yup, there's no stopping this tigress.
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