What Made Katy Perry's "PRISM" So Successful?
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What Made Katy Perry's "Teenage Dream" So Successful?
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Why Did THESE Katy Perry Singles Underperform?
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What Made Ariana Grande's "Sweetener" and "thank u, next" So Successful?
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katy perry's album happened and i want my 33 minutes back 😭
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Katy Perry - The Prismatic World Tour 2014 [Full Show]
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How Katy Perry Got Back Her "Smile"
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ICONIC Katy Perry Moments On American Idol | Idols Global
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