Katy Perry totally owned the stage at the recent Women’s T20 World Cup in Melbourne, Australia. The ‘Roar’ hitmaker chose to perform a medley of some of her biggest hits at the recent ceremony, blowing us all away with her vocal chops before the final match. Accompanied by a bunch of dancing mascots behind her, … “Watch: Katy Perry’s Fantastic Medley Performance From Women’s T20 World Cup”