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

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

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

Katy Perry will play her first full U.K. tour in seven years on her upcoming Lifetimes arena tour. The slate will see her ...

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 ...

A Katy Perry fan stole a strand of the singer’s hair extensions and framed it on the wall as a controversial tribute. A video ...

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.

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

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

Perry’s UK tour has an important twist, as it has been revealed that £1 from each ticket sold will be donated to the Music ...

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.