 Colbert concluded the year with appearance in a modestly successful film, "His Woman", with Gary Cooper.Colbert's career received a boost when Cecil B. DeMille cast her as "femme fatale" Poppaea in the historical epic "The Sign of the Cross " (1932), opposite Fredric March and Charles Laughton.In one of the best remembered scenes of her movie career, she bathes nude in a marble pool filled with asses' milk.