Katy Perry put an edgy spin on the humble graphic T-shirt while out in London on Thursday. The singer promoted her forthcoming “143” album on the radio show Capital Breakfast.

For her fifth tour and first since her Las Vegas residency, Katy Perry is embracing technology. Or maybe battling it. Perry’s Lifetimes tour kicked off its U.S. leg at Houston’s Toyota Center ...

BEVERLY HILLS, Calif. − A few things have changed in Katy Perry ’s life since she was last on tour. It has been seven years since Witness: The Tour, and the multi-hyphenate now has a 4-year ...

All of Katy Perry’s out-of-this-world ‘Lifetimes’ tour outfits. Kevin Mazur/Getty Images for Katy Perry Katy Perry has gone above and beyond with her extravagant “Lifetimes” tour looks.