2 Become 1 ( Literal Title: Perfect Match) is a 2006Hong Kongromanticcomedy-drama film directed by Law Wing-Cheong and produced by Johnnie To. The film stars Miriam Yeung as Bingo Leung, a working-class woman who discovers she has breast cancer. The film is based on Xi Xi's published diary Mourning For Breasts (哀悼乳房), which chronicled her own experiences.