Katy Perry and Lady Gaga. Friends? Rivals? Maybe the only time these pop divas have been mentioned in the same sentence ...

During each event, fans can scan a QR code from one of her albums and vote on a song they want her to perform The US leg of ...

Katy Perry is all set to kick off the U.S. leg of her Lifetime tour after wrapping up the concert series in Mexico City. On ...

Every single Beyoncé tour gains acclaim, without question. Her tour supporting Cowboy Carter has been no different, with the ...

At this point, should we start feeling sorry for Katy Perry? The 40-year-old mother of one saw her would-be comeback album ...

Lady Gaga broke the record for the highest-attended concert by a female artist in history on May 3, drawing an estimated ...

The Katy Perry backlash has been intensifying for weeks at this point ... Before wrapping up her Mexico run, Perry attended ...

Katy Perry is bringing her Lifetimes Tour to the U.S. Wednesday, kicking off in Houston at the Toyota Center — and fans will get a chance to be a part of the interactive event.

On Monday, April 28, two days after wrapping up her shows in Mexico City, she attended Lady Gaga's Sunday night concert in Mexico City at Estadio GNP Seguros. Related: Katy Perry Praises Lady Gaga ...