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 ...

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

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 ...

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 ...

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

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

Lady Gaga completed two sold-out stadium shows in Mexico City last night at Estadio GNP Seguros. The shows follow her recent headline sets at Coachella and they kick off a series of international ...

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 ...