Katy Perry Documents Concert Mishap That Left Her With a Bloody Knee originally appeared on Parade. Fans get to see Katy Perry in flashy out-of-this-world outfits during her much-awaited The Lifetimes ...

One onstage moment made Katy Perry roar with pain. As the “Firework” singer continues the Canadian leg of her Lifetimes Tour, she shared a look back at her life lately, including a mishap from one of ...