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.

Not even a brief mic issue could get in the way of Lady Gaga's iconic Weekend 2 set, which was arguably even more impressive ...

Lady Gaga has added seven additional dates to her forthcoming Mayhem Ball tour. The pop star will headline the Chase Center ...

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

The gigs — part of Gaga’s global Mayhem Ball tour — will happen July 28 and 29 and Aug. 1 and 2 behind her “Mayhem” LP, which ...

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

The countdown to Lady Gaga's epic Mayhem Ball tour has fashion-forward fans in a frenzy. As the pop icon prepares to dominate ...

The Little Monster-KatyCat stan wars can stop: these pop divas are friends! On Sunday night, Katy Perry was spotted in the ...

Lady Gaga has announced several new California "Mayhem Ball" tour dates. Find out how to snag the cheapest available tickets ...

Lady Gaga announced a second show at Melbourne’s Marvel Stadium, bringing her to four Australian shows on the Mayhem Ball ...

Katy Perry loves sharing her woman's world with Lady Gaga. In the crowd at Mother Monster's ¡Viva La Mayhem! concert in ...