You know Robert Pattinson as an actor, but his first love was has played the piano since he was three and the guitar since he was five! He composes music, and co-wrote and sang two songs for the filnm Twilight. His sister Lizzy is musical, too -she is a singer and songwriter Robert became interested in theatre when he was 15, but he didn't act at first -he helped backstage! His first film role was in 2003 as Cedric Diggory in a Harry Potter film.