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Katy Perry arrives at Haze Nightclub at the Aria Resort & Casino in Las Vegas on Sunday. The singer played host and performed for stars like Mickey Rourke as part of her "Waking Up in Vegas" bash.
More from PEOPLE
Katy Perry arrives at Haze Nightclub at the Aria Resort & Casino in Las Vegas on Sunday. The singer played host and performed for stars like Mickey Rourke as part of her "Waking Up in Vegas" bash.
