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 supported Lady Gaga at her Mexico City concert on Sunday, April 27, days after Perry launched her Lifetimes Tour.

A ccording to media reports, Amazon founder Jeff Bezos (61) and his fiancée Lauren Sánchez (55) have reportedly booked two ...

The Little Monster-KatyCat stan wars can stop: these pop divas are friends! On Sunday night, Katy Perry was spotted in the ...

The "Woman's World" artist added that she's "grateful to grow up" with Mother Monster. By Hannah Dailey Katy Perry loves sharing her woman’s world with Lady Gaga. In the crowd at Mother Monster’s ...

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 ...

But that musical milestone in space history could have looked very different, because Katy Perry isn't the first performer ...

Katy Perry's Lifetimes Tour is a high-flying, video game-inspired show, but online backlash has overshadowed the pop star’s ...

On Sunday night, Katy Perry was spotted in the crowd at Lady Gaga‘s concert in Mexico City, a day after Perry’s performance there. Little Monsters spotted Perry at Estadio GNP Seguros as she ...

Kevin Mazur/Getty Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga's Sunday night concert in Mexico City at ...