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

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

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

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

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

California will not be left out in the cold this summer when it comes to Lady Gaga’s North American arena ... Prior to her ...

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

A few days after headlining the stage at the Coachella Music Festival, Lady Gaga announced she is bringing her Mayhem Ball ...

Lady Gaga continues to expand her upcoming Mayhem Ball tour. The singer announced on Tuesday morning (April 22) that she has ...

You could be forgiven for thinking that the combination of Lady Gaga’s recent Las Vegas jazz residency and her burgeoning ...

Shortly after dancing to the Poker Face singer's hits, Katy took to her Instagram Stories to praise the performance.

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 ...