Katy Perry's Las Vegas Residency Kicks Off: Photos & Video
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Katy Perry shares behind the scenes look at her new Las Vegas
Katy Perry's new Las Vegas residency - Good Morning America
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Katy Perry gives behind-the-scenes look at Las Vegas residency
Kim Kardashian's daughter North West joins Katy Perry on stage in
Katy Perry's Las Vegas Residency Keeps Getting Weirder With Video