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

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

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

Lady Gaga broke the record for the highest-attended concert by a female artist in history on May 3, drawing an estimated ...

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

Lady Gaga came back to perform in Mexico City after a 13-year-long break, and Katy Perry was there to support her.

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