She's got the eye of the tiger, and that's why Katy Perry‘s "Roar" music video has skyrocketed to 4 billion YouTube views, ...

Katy Perry shocked fans by responding to a wild viral theory that suggests she is actually an infamous murder victim.

To kick off the show, the singer rode out onto the field during halftime show atop a giant prism metal tiger and immediately began singing her hit single, "Roar." Katy Perry Loved 'Catching Up ...

Katy Perry took the energy up a notch, launching into Roar right after Harry’s speech. Dressed in a futuristic silver cut-out outfit, she powered through a high-energy medley of Dark Horse ...