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

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

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

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 ...

At her most recent Lifetimes Tour show, Katy Perry shared an "emotional" moment with her fans in the wake of the heavy ...

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 also seemed to address criticism about her April 14 Blue Origin flightKaty Perry's concert was out of this ...

Katy Perry’s performance was from a whole ‘nother world. The singer, 40, kicked off her “Lifetimes” tour in Mexico City, ...

The California Gurls hitmaker was spotted in the crowd at Gaga's concert in Mexico City, Mexico on Sunday night. Shortly ...

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