Demi Lovato surprises fans singing This Is Me with Joe Jonas in concert

On the first night of the "Demi World Tour" in LA, Demi Lovato called her ex-boyfriend Joe Jonas to surprise the American fans.

The duo performed the highly successful single "This Is Me" during the show. They were originally performed the single in Camp Rock, Disney Channel movie 2008.

In their social networks, former Jonas Brothers published several photos of the reunion, and thanked for the invitation. "It was fun to keep it a secret," the singer tweeted.

Check the performance below: