Following the triumphant success of the TEENAGE DREAM franchise (TEENAGE DREAM and TEENAGE DREAM: THE COMPLETE CONFECTION), which produced 8 pop singles, Katy Perry returns with a shimmering new album that includes her latest, #1 single, Roar, alongside such soon-to-be classics as Unconditionally, Legendary Lovers, Birthday, Walking On Air, This Is How We Do, International Smile and Double Rainbow.