Katy Perry brings her Prismatic tour to Louisville Saturday. Fans can expect it to be a spectacle with singing on the side.
Katy Perry brings her Prismatic tour to Louisville Saturday. Fans can expect it to be a spectacle with singing on the side. Wade Payne/Invision/AP
Katy Perry brings her Prismatic tour to Louisville Saturday. Fans can expect it to be a spectacle with singing on the side. Wade Payne/Invision/AP

Katy Perry juggles demands of a star in her prime

August 14, 2014 01:21 PM