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 took a break from her own tour to show some love for Lady Gaga during a packed concert in Mexico City over the ...

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

Lady Gaga came back to perform in Mexico City after a 13-year-long break, and Katy Perry was there to support her.

Katy Perry was spotted in the crowd watching Lady Gaga in Mexico City after her own tour was hit with disaster as she was ...

Lady Gaga starts off her international tour by reading an emotional letter to her fans, followed by the debut of 'Blade of Grass,' which she wrote for her fiancé, Michael Polansky. Katy Perry, who's ...

Katy Perry can’t catch a break this month. The pop star has already suffered a handful of Ls in April, mostly due to her ...

The pop star Katy Perry is firing back at her Blue Origin space flight haters. She attempted to shut them down during a ...

Katy Perry’s space-inspired outfit for her tour is getting mixed reactions, especially after her Blue Origin flight. Some ...

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U.S. president’s 90-day break ‘a welcome reprieve’ for world economy, Carney says ...