All Grown Up (2003)

Tommy decides to enter a filmmaking contest judged by his idol Martin Costomiris. But when his sci-fi movie proves to be a disaster, primarily due to the uncooperative cast, Tommy realizes that what goes on behind the scenes of the movie is far more interesting. Risking his friends, he follows them and secretly videotapes some of their private moments. When the others find out that Tommy has betrayed all of them, he's forced to make a choice: his "movie masterpiece" or his friends.