Katy Perry – Birthday (Official)

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Katy Perry — Birthday (Official)

Get “Birthday” from Katy Perry’s ‘PRISM’: http://smarturl.it/PRISM

Official video for Katy Perry’s “Birthday” directed by Marc Klasfeld and Danny Lockwood, produced by Dawn Rose.

THE PRISMATIC WORLD TOUR coming to you soon:
http://www.katyperry.com/events

Follow Katy Perry:
http://www.katyperry.com
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