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

The Little Monster-KatyCat stan wars can stop: these pop divas are friends! On Sunday night, Katy Perry was spotted in 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 took a break from her own tour to show some love for Lady Gaga during a packed concert in Mexico City over the ...

Lady Gaga electrified fans last night at Estadio GNP Seguros in Mexico City, wrapping the first of two back-to-back sold-out stadium shows. Fresh off her widely praised headline performances at ...

Lady Gaga has finally performed her first concert in 13 years!On April 26 and April 27, the Grammy winner hit the stage for ...

Following her critically acclaimed performances at Coachella, the superstar kicked off her 58-date headline outing at the ...

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

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

Lady Gaga's return to Mexico City after more than a decade brought together music and a message that left fans emotional.

Lady Gaga returned to Mexico City this weekend, thrilling fans at Estadio GNP Seguros with a theatrical spectacle and a ...

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