Katy Perry is under fire again, this time over her choice of backup dancers. The embattled pop star, 40, kicked off her ...

Katy Perry’s performance was from a whole ‘nother world. The singer, 40, kicked off her “Lifetimes” tour in Mexico City, ...

Katy Perry doesn’t need a dark horse to launch a message into the stratosphere. After her April 14 trip beyond Earth’s ...