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Katy Perry channels Madonna as she dons sexy corset to promote American Idol on Instagram
American Idol fans are furious with Katy Perry for her 'rude' behavior toward fellow judge Lionel Richie in new clip
Katy Perry grows up a little on 'Prism': 'I'm ready for my 30s' - Los Angeles Times
Lionel Richie, Katy Perry sing for royal coronation concert - The San Diego Union-Tribune
Katy Perry reveals she's stopped shaving her legs since becoming a mum
Katy Perry Fans Joke About Her Makeup Mishap
Katy Perry shares photos in ab-baring bodycon dress as she announces surprise American Idol exit – fans react
Katy Perry: Confessions of a Pop Princess
Katy Perry channels Amanda Holden in same £1.3k tight dress - Daily Star
Sexy Katy Perry Pictures
Katy Perry sports a metallic purple pantsuit in glamorous new snaps to promote American Idol