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, ...

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

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

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 ...

A fan stole one of Katy Perry's extensions directly from her head ... “I am super keen to announce The Lifetimes tour, and ...

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 is set to play the OVO Hydro next year - here’s how and when to get tickets alongside everything you need to know about the concert and Lifetimes tour ...

Katy Perry has revealed that £1 from every ticket sale for her upcoming 'Lifetimes' jaunt in the U.K. will be donated to the ...

Beloved Irish comedian, actor, author and television host Graham Norton will embark on his first-ever live tour of Australia ...

Katy Perry is coming back to Blighty. Today the American superstar announces in The Sun that she will play five huge arena shows across the country next October as part of ...