Teen country star Taylor Swift has confirmed reports Joe Jonas dumped her so he could date actress Camille Belle.

Swift has already gone public with the fact her ex ended their five-month romance with a 27-second phone call, and now she's revealing all about the Jonas Brothers star's new relationship with the 10,000 Bc star, who appears in his new video Lovebug.

Addressing the new romance rumours linking Jonas and Belle, Swift says, "They've been together since we broke up. That's why we broke up - because he met her."