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

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

Lady Gaga’s "Poker Face" hits new peaks on Billboard’s global charts 15 years after release, fueled by her standout ...

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 35 greatest debut albums of all time, from Lady Gaga to Arctic Monkeys - These records serve as statements of intent and ...

During her second headliner set at Coachella last night, April 18, Lady Gaga encountered some mic ... choreography on the spot, managing to hold the mic in one hand and a prop can in another. Gaga ...

As Lady Gaga dominated the Coachella stage, the headliner suffered some major mishaps on stage thanks to some dodgy ...

Weekend 1 of the Coachella Valley Music and Arts Festival in Indio packed even more of a punch than we expected, and now thousands of more people are headed to the California desert for Weekend 2.

Lady Gaga proved her pop star prowess after experiencing mic issues throughout the beginning of her "Mayhem" in the desert ...

Lady Gaga hands down. She changed a whopping ten times throughout ... I also packed hairspray with maximum hold because my ...

Justin Bieber and Hailey Bieber hold hands while holiday shopping at trendy ... “I have a cyst on my ovary the size of an apple,” she told her Instagram followers and cleared up any rumors ...