2 Become 1 (Chinese: 天生一對 Literal Title: Perfect Match) is a 2006 Hong Kong romantic comedy-drama film directed by Law Wing-Cheong and produced by Johnnie To.

His interference leads to her discovery of a malignant lump on her breast and a medical scam targeting her orchestrated by her long-lost boyfriend.

With the help of V and a shy but talented teenage singer Sing, Bingo is able to cope with her cancer, revive her career and strengthen her bonds with her family.

After Milkyway Image gained film rights, a first draft of the script was written by Ivy Ho, who relied on the diary's structured writings.

[2] 2 Become 1 first gained controversy with the film's original theatrical poster, which showed a computer-altered photograph of a woman's upper torso.