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

Katy Perry has gushed about fellow pop star Lady Gaga. In addition to her kind words, the Last Friday Night singer shared a ...

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.

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

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 ...

Perry was accused of 'giving lazytown,' as one viewer said: 'every time i think she can't possibly flop harder she pulls some s*** like this.' Meanwhile Perry is facing a worrying lack of sales, with ...