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

Katy Perry and John Mayer, who dated on and off from 2013 to 2015, were spotted chatting at a Sabrina Carpenter concert in ...

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.

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, ...

The “Roar” singer, 40, was spotted chatting with ex John Mayer at the pop star’s Short n' Sweet Tour stop at the Kia Forum in ...

John Mayer and Katy Perry were spotted having a friendly chat while attending Sabrina Carpenter’s star-studded Los Angeles ...

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

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

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.

Katy Perry and John Mayer proved they've remained on friendly terms a decade after their split, as the former couple reunited ...

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 quits.