Gaga kept telling me she wanted to do the show of her dreams,” the New Zealander recently told Vanity Fair of creating the ...

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 on Saturday night (April 26) she held her first concert in 13 ...

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

Want to snag the cheapest available seats to the new tour dates? You can get early ticket deals to the San Francisco concerts ...

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

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 ...

Kevin Mazur/Getty Katy Perry joined in on the Viva La Mayhem fun! On Monday, April 28, the "Teenage Dream" singer shared pictures and videos from Lady Gaga's Sunday night concert in Mexico City at ...

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 ...

Katy Perry is singing the praises of fellow pop superstar Lady Gaga after catching her brand new tour. The "Firework" singer ...

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

The supertar's new tour kicks off in the U.S. in July and makes stops throughout North America before heading to Europe — here's how to get Artist Presale access for her L.A. and San Francisco shows.