The 14-time Grammy Award winner brought an estimated 2.5 million fans to Rio de Janeiro's Copacabana Beach Saturday night.

Lady Gaga has performed the biggest concert of her career. The “Abracadrabra” singer held a free concert on Saturday night in ...

A sea of people filled Rio de Janeiro’s Copacabana beach on Saturday as pop superstar Lady Gaga played a colossal free ...

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

Lady Gaga unleashed her divine chaos in Mexico City, where she held her first concert in 13 years on April 26.

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.

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

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 ...

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

Pop superstar Lady Gaga attracted an estimated 2.5 million people to her performance Saturday in Rio de Janeiro.

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. Perry, 40, had performed in the city on ...