Complex sentence: In recent years, she has supplemented her burgeoning singing career by acting in plays, directing short films, and in 2003 moved on to work as assistant director on a full length film, "Mes Cousines et Moi".
Split into simpler sentences: In recent years, she has supplemented her singing career by acting in plays and directing short films. In 2003 she moved on to work as assistant director on a full length film, "Mes Cousines et Moi".