'Kitty' Perry brings her Prismatic world tour to Louisville, Kentucky. Plus: Jared Leto, Jessica Chastain & much more!
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Published: Monday Aug 18, 2014 | 07:00 PM EDT
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And hello to you, too! Demi Lovato greets the crowd in New York's Central Park on Friday, where she visited the Good Morning America crew and talked up her upcoming world tour.
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