Katy Perry - Birthday (Lyric Video)

Get "Birthday" from Katy Perry's 'PRISM': http://katy.to/PRISM

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Lyric video for Katy Perry’s “Birthday” from ‘PRISM’ produced by Mandy Sellick and directed by Aya Tanimura.


Music video by Katy Perry performing Birthday. (C) 2014 Capitol Records, LLC