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

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

Katy Perry loves sharing her woman’s world with Lady Gaga. In the crowd at Mother Monster’s ¡Viva La Mayhem! concert in ...

Katy Perry was spotted in the crowd at Lady Gaga's concert in Mexico City, a day after Perry's own performance. Perry shared a sweet message for Gaga.

The star drew an estimated crowd of 2.5 million people to her free concert at Rio de Janeiro's Copacabana Beach on May 3 ...

Katy Perry is singing the praises of fellow pop superstar Lady Gaga after catching her brand new tour. The "Firework" singer ...

By Hannah Dailey Katy Perry loves sharing her woman’s world with Lady Gaga. In the crowd at Mother Monster’s ¡Viva La Mayhem! concert in Mexico City Saturday (April 26), the “Firework ...

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 ...

Katy Perry has gushed about fellow pop star Lady Gaga. The California Gurls hitmaker was spotted in the crowd at Gaga's ...