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 ...

Kim Kardashian and Katy Perry celebrate Jeff Bezos' fiancee Lauren Sanchez's bachelorette party in Paris - Sanchez, 55, is ...

Lauren Sánchez threw a star-studded Paris bachelorette party with Kim Kardashian, Katy Perry and more. See the glam details ...

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

Selena Gomez, Ariana Grande, Lady Gaga and Kendrick Lamar each scored a leading four nominations each for the Nickelodeon ...

Selena Gomez, Ariana Grande, Lady Gaga and Kendrick Lamar each scored a leading four nominations each for the Nickelodeon Kids’ Choice Awards, while Jack Black, Dwayne Johnson and Jelly Roll collected ...

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 ...