Complex sentence: In 2009, an adaptation of both "Chéri" and "La Fin de Chéri" was made into a film starring Michelle Pfeiffer, Rupert Friend and Kathy Bates.
Split into simpler sentences: In 2009, an adaptation of both "Chéri" and "La Fin de Chéri" was made into a film. "film" stars Michelle Pfeiffer, Rupert Friend and Kathy Bates.