Katy Perry, songwriter Sarah Hudson and Juicy J as well as producers Dr. Luke, Max Martin and Cirkut were all ruled to be liable for copyright infringement in a Los Angeles court on July 29.
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Painter Will Cotton, known for his lush, dreamlike candy landscapes, was the art director for Katy Perry's "California Gurls" music video. He also created the cover art for the album.
Will Cotton / EMI Music