John Mayer praises Taylor Swift in concert

(CNN)Taylor Swift's ex-boyfriend, John Mayer, has some thoughts about her hit album, "Reputation."

The singer was performing at the iHeartRadio Theater in Los Angeles earlier this week when Swift's latest collection came up.
"I was thinking about reputation," Mayer reportedly said. "Not the album, but it's fine. It's a fine piece of work."
Swift and Mayer