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

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 took a break from her own tour to show some love for Lady Gaga during a packed concert in Mexico City over the ...

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 ...

Shortly after dancing to the Poker Face singer's hits, Katy took to her Instagram Stories to praise the performance.

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

Lady Gaga starts off her international tour by reading an emotional letter to her fans, followed by the debut of 'Blade of ...

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 Estadio GNP Seguros.