Katy Perry has said that she feels “so proud” of Lady Gaga, after attending one of the singer’s shows in Mexico.

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

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

Lady Gaga and Katy Perry attend the Academy Museum of Motion Pictures: Opening Gala honoring Haile Gerima and Sophia Loren, ...

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 Brazilian police reported that they thwarted a bomb attack planned for Lady Gaga's historic concert on Copacabana beach (Rio de Janeiro), which was attended by more than two mi ...

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

Katy Perry enjoyed an evening at Lady Gaga’s Mayhem Tour in Mexico City, praising the 14-time Grammy award winner on putting ...

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 ...

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 ...

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 ...

An estimated 2.5 million fans, including a reported 500,000 Little Monsters who traveled from abroad, witness singer's first ...