The exes were seated close to one another at Sabrina Carpenter's concert in Los Angeles on Sunday and were seen sharing a friendly chat. John's was placed in the row above Katy but directly behind ...

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. Kamala Harris ...

Recording artists Lady Gaga, Stevie Wonder, Billie Eilish, Jelly Roll, John Mayer, Katy Perry, Pink, Dave Matthews and more are scheduled to participate in the FireAid benefit concert on Thursday ...