How Katy Perry's 'California Gurls' Bra Inspired a Hit Jason

Jason Derulo used a beat from an obscure producer to write a song partly inspired by Katy Perry's "California Gurls" music video.
Jason Derulo used a beat from an obscure producer to write a song partly inspired by Katy Perry's California Gurls music video.

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Katy Perry's hottest moments

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