Pop princess … Katy Perry performs at Allphones Arena in Sydney. Picture: Jake Nowakowski Source: News Corp Australia KATY Perry reinvents the pop concert as an eight act Broadway musical for her ambitious Prismatic world tour which opened its Sydney run at Allphones Arena last night. The fast-paced, slickly choreographed and designed to dazzle show is guaranteed to reboot your mood. Perry doesn’t much around, getting straight into the show with her smash hit Roar, wearing an illuminated top and [...]