Katy Perry - YouTube Live

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Katy's Project - The Story of Firework
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Avicii - Wake Me Up (Avicii By Avicii)
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Katy Perry: Will You Be My Witness?
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Katy Perry responds: "What's Behind Your Visual Transformation for 'Teenage Dream?'"
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Justin Bieber - No Pressure ft. Big Sean (PURPOSE : The Movement) ft. Big Sean
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Katy Perry: Will You Be My Witness? - Official Trailer
466,933 views
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Katy Perry - YouTube Live with tags katy, perry, youtube, live