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

John Mayer and Katy Perry, who dated on and off between 2012 and 2015, both attended Sabrina Carpenter's Short n' Sweet Tour ...

Justus West has made a massive splash in both the guitar world and the music industry at large – and while he might not be a ...

Katy Perry and John Mayer reunited at Sabrina Carpenter's concert years after their breakup. Watch the pop star's hilarious ...

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

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, ...

Katy Perry and John Mayer were seated near each other for Sabrina Carpenter's L.A. concert on Nov. 18. Now, Perry's reaction ...

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.

Running into an ex can be absolutely awkward — especially if you're Katy Perry and your ex is paramour, singer-songwriter ...

The exes were seated close by one another at Sabrina Carpenter's concert in Los Angeles on Sunday and were seen sharing a ...

“Who Says” exes can’t be friends? Katy Perry and John Mayer were spotted catching up at Sabrina Carpenter’s concert in Los Angeles on Sunday — nearly a decade after calling it quit ...