Demi Lovato is reprising her role as Mitchie Torres in Camp Rock 3. Related: 'Camp Rock 3' Trailer Has Nod to Demi Lovato's Character and More Nostalgia Camp Rock 3 will see a new generation of campers attend the fictional summer music camp with appearances from some of your favorite Disney Channel stars. In January, Lovato opened up about being a mentor to the new generation of Camp Rock stars. The “Cool for the Summer” singer added, “I actually did give, like, a mini pep talk to the new cast of Camp Rock when I first met them. Camp Rock 3 premieres on Thursday, August 13, at 8 p.m.