Former couple to perform on US show
The teen heartthrob, 19, dumped the country music star, 18, over the summer after a brief romance.
But they’ll be reunited when they both perform on ABC’s Dick Clark’s New Year’s Rockin’ Eve.
Natasha Bedingfield, Pussycat Dolls and Solange Knowles will also make an appearance.
Joe is now thought to be dating actress Camilla Belle.
SEE EXCLUSIVE PICS Jonas Brothers in Camp Rock>>