Demi Lovato will make a cameo appearance in “Camp Rock 3,” reprising the role of Mitchie Torres. Her return to the role of Mitchie comes 18 years after the original “Camp Rock” movie launched her career in 2008. The official logline for “Camp Rock 3” reads, “When Connect 3 loses their opening act for a major reunion tour, they return to their beloved Camp Rock to discover the next big thing. Popular on VarietyVeronica Rodriguez directed “Camp Rock 3” from a screenplay by Eydie Faye. Together, the “Camp Rock” films have been watched for more than 535 million hours to date.