Etiquette for Mistresses is a 2015 Philippine romantic-drama film based on the best-selling novel of the same name written by Julie Yap-Daza and Patrick John Valencia. It features an ensemble cast including Kris Aquino, Claudine Barretto, Iza Calzado, Cheena Crab and Kim Chiu. The film tackles the lives of five successful and glamorous women whose friendship is based on their common weaknesses—they are all trapped in the prison of their hearts.