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 ...

Katy Perry has said that she feels “so proud” of Lady Gaga, after attending one of the singer’s shows in Mexico. The ‘E.T.’ singer was spotted by fans at the Estadio GNP Seguros venue in ...

All of this is to say, two of the biggest pop stars of their generation - Lady Gaga and Katy Perry - have recently released their first music in years, both hoping (dare we say, expecting ...

Katy Perry has gushed about fellow pop star Lady Gaga. The California Gurls hitmaker was spotted in the crowd at Gaga's concert in Mexico City, Mexico on Sunday night. Shortly after dancing to the ...

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 ...

Right now, three of the biggest names in the history of pop music are touring their latest albums – Beyoncé, Lady Gaga and Katy Perry. These three women have defined the pop music of the last ...

Lady Gaga made a surprise announcement yesterday ... online users pointed out that some fans immediately started to resell their Katy Perry tickets. "The CDMX arena has just a little over ...

Katy Perry is bringing her Lifetimes Tour to the U.S. Wednesday, kicking off in Houston at the Toyota Center — and fans will ...

Fans of Katy Perry and Lady Gaga are describing it as 'Roar vs Applause' all over again. The two fan-favorite singers released their respective singles in August 2013, igniting a notable pop ...

Katy Perry and Lady Gaga. Friends? Rivals? Maybe the only time these pop divas have been mentioned in the same sentence recently is when Perry went to see Gaga’s Mexico City concert in April.