Stream Rock Star Online Free – Watch Full Movie from Home at 123Movies. . A wannabe rock star who fronts a Pennsylvania-based tribute band is devastated when his bandmates kick him out of the group he founded. Things begin to look up for Izzy when he is asked to join Steel Dragon, the heavy metal rockers he had been imitating for so long. This film is loosely based on the true story of the band Judas Priest.