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 ...

Katy Perry has said that she feels “so proud” of Lady Gaga, after attending one of the singer’s shows in Mexico.

Perry’s new status as the most unpopular woman in pop couldn’t have come at a worse time — right before her first global tour ...

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

Social media users slammed Katy Perry after the "Thinking of You" singer revealed a spacesuit costume weeks after her Blue ...

Katy Perry is being roasted by fans over her bizarre space-inspired outfit from her Lifetimes Tour. The singer, 40, rocked ...

Katy Perry has drawn widespread mockery online after videos of her choreography from the opening night of her Lifetimes Tour ...

Over the top? Definitely. Moving? Surprisingly so. Gaga’s latest stadium concert confirmed that a star is reborn ...

It was one small step for Katy Perry when she stepped out of a space capsule earlier this month and kissed the Texas terra ...

The singer announced on her Instagram Stories on Monday that she was unable to perform at Arena Guadalajara on 1 and 2 May because the venue was "not ready" to open to the public. "Sadly, I learned ...

Katy Perry has revealed why she hasn't been able to perform at her best after kicking off her "Lifetimes" tour on Wednesday ...