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

Katy Perry can't stop serving up spicy outfits. Her latest is a skin-baring top that fits in perfectly with her '143' ...

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." ...

The Firework hitmaker, 40, put on a very leggy display in a tiny grey lace mini dress which she wore with thigh-high black ...

The supermodel, 32, and singer, 33 - who met years ago at boarding school - looked loved-up as they arrived at the Kia Forum ...

Cobbles favourites were out in force - and one stole the show as he sang at the Christmas lights switch on event ...

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

Two superstars of music and comedy have announced huge new gigs at Sheffield Arena within the space of 24 hours.

The Teenage Dream star will bring The Lifetimes Tour to England and Scotland next year following the release of her new album ...