Katy Perry could really hear her fans 'Roar' last night ... probably screaming out in horrible pain -- 'cause one of them touched a transformer and ended up on fire, and nearly disfigured the pop star ...

See which Super Bowl halftime performances made our top five list including the artist who changed halftime shows forever.

Although Katy Perry is best-known for frothy ... “California, we always rise. And we always roar, don’t we?” Perry asked after the powerful performance. And with that, she kicked the energy into ...

Tickets go on sale this week. TAMPA, Fla. - Fans of Katy Perry will get to hear her "roar" when she brings her Lifetimes Tour to Tampa this summer. The pop music megastar plans to perform at ...

PHOENIX (AZFamily) — Get ready to “Roar” this summer for popstar Katy Perry, who will be stopping in Phoenix as part of her world tour! The singer of hits like “California Gurls” will ...