Although Katy ... stage, Perry sang what was an absolutely essential track for the night. “California, you are such a unique ...

By Joe Lynch Executive Digital Director Although Katy Perry is best-known ... Are you so proud to be a California girl?” she asked before jumping into “California Gurls,” which she performed ...

− A few things have changed in Katy Perry’s life since ... which I'm really excited about.” Perry promises fans performances of "California Gurls," "Dark Horse," "Firework" and "Roar." ...

Katy Perry’s dramatic weight loss has raised concerns among her fans, with many expressing worry over her noticeably thinner frame. During a December 14 performance at the Jingle Ball, the 40 ...