There is a hippie scene at the beach where Jean Dujardin is naked resting on his belly, while a guy is caressing his butt. We get a good view of Jean Dujardin's butt during that scene. Later in the movie, Jean Dujardin ends up lost with Alex Lutz. Alex Lutz wants to bath, gets naked and goes into a lake. As he does, we get a good view at his butt. He spreads his legs apart, but we cannot see Alex balls or dick.