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Katy Perry was filmed saying 'CTRL ALT DELETE b*tch' to another woman during her 40th birthday celebrations - but not all is as it seems ...

Katy Perry and John Mayer recently had an unexpected run-in in Los Angeles. Perry, 40, and Mayer, 47, were spotted at Sabrina ...

Katy Perry and John Mayer have reunited nearly 10 years after their breakup at an unlikely event – Sabrina Carpenter 's L.A.

The “Who You Love” collaborators, who dated on and off for three years, were spotted chatting at Sabrina Carpenter’s concert in Los Angeles on Sunday.

Exes Katy Perry and John Mayer were spotted having a friendly catchup conversation while in the crowd at the Kia Forum for Sabrina Carpenter's celebrity-filled Los Angeles show.

Who says you can’t be friendly with your ex? That’s exactly what Katy Perry and John Mayer did at Sabrina Carpenter’s Sunday, ...

John Mayer and Katy Perry dated on and off between 2012 and 2015, during which they collaborated on the song "Who You Love." ...

Gwen Stefani buries memories from her past and finds a garden blooming in their place in the music video for “Somebody Else’s.” The single appears on her latest solo studio album Bouquet, which was ...

1 of 5 | Katy Perry attends the Baby2Baby annual gala at the Pacific Design Center on November 9. She announced the U.K. leg ...