Billy Joel, John Mayer

Mayer and Perry, who dated on and off between 2012 and 2015, both attended Carpenter's Short n' Sweet Tour in L.A.
Katy Perry and John Mayer reunited at Sabrina Carpenter's concert years after their breakup. Watch the pop star's hilarious ...
Running into an ex can be absolutely awkward — especially if you're Katy Perry and your ex is paramour, singer-songwriter ...
John Mayer and Katy Perry dated on and off between 2012 and 2015, during which they collaborated on the song "Who You Love." ...
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.
The guitarist in question was playing a show in Los Angeles, when he spotted Mayer admiring his guitar work from afar ...
The American musician is back with his fourth studio album, Leon, which pays tribute to his Texas roots. He joins Q's Tom ...