Wiz Khalifa is a rapper, singer, songwriter and actor. His new documentary is called "Wiz Khalifa: Behind the Cam".Wiz Khalifa is a rapper, singer, songwriter and actor. His new documentary is called "Wiz Khalifa: Behind the Cam".Wiz Khalifa is a rapper, singer, songwriter and actor. His new documentary is called "Wiz Khalifa: Behind the Cam".