Singer Charlie Puth has canceled his upcoming concert in Arizona due to illness.

The We Don't Talk Anymore star was due to perform at the Arizona Veterans Memorial Coliseum arena in Phoenix on Friday night (21Oct16) as part of the State Fair, but organizers of the event have announced on social media that he’s had to cancel.

"We just received word that Charlie Puth canceled our show, at the Arizona State Fair, this Friday night," they said, before adding a statement from Charlie's team.

"Due to his current illness, Charlie has been ordered by his physician to abstain from all performances for seven days and will have to cancel his upcoming performance at the Arizona State Fair. Charlie expresses his deepest regrets and hopes to return to Arizona soon."

It is unclear what illness Charlie, 24, is suffering from and he has not referenced it on social media. It is unknown whether he will be able to perform at his next scheduled concerts in Nashville, Tennessee and St. Louis, Missouri on 23 and 24 October (16), respectively.

His Don't Talk Tour concludes on 8 November (16) at The Wiltern in Los Angeles.

Charlie has had a busy 2016, with the release of his debut album Nine Track Mind, as well as three separate tours.