Demi Lovato during a new radio interview with Billy Bush confirms the rumors she is dating fellow “Camp Rock” alum Joe Jonas. Demi and Joe’s duet “Make a Wave” was released today on iTunes, the song is part of Disney’s ongoing “Friends for Change” campaign and will be featured in the Disneynature Earth Day release “Oceans.” Demi and Joe co-star in the summertime Disney Channel film “Camp Rock: The Final Jam”