Kabhi Khushi Kabhie Gham... also known as K3G is a 2001 Indian family melodrama film written and directed by Karan Johar and produced by his father, Yash Johar, under the banner of Dharma Productions. The film had music scored by Jatin-Lalit, Sandesh Shandilya and Aadesh Shrivastava, with lyrics penned by Sameer and Anil Pandey.

Made on a budget of 42 crore (US$8.38 million), Kabhi Khushi Kabhie Gham... emerged as a major economic success, both domestically and internationally, with a lifetime gross of 117.29 crore (US$23.4 million). Internationally, the film was the highest grossing Indian film ever, until its record was broken by Johars next directorial, Kabhi Alvida Naa Kehna (2006). The film climbed up to third place in the British box office within two weeks of release, and maintained its place for over the next three weeks. Opening in North America on 4 January 2002, the film debuted at the 32nd place at the American box office. Additionally, the film was the first Indian film to be given a theatrical release in Germany.

Kabhi Khushi Kabhie Gham... won several awards at popular award ceremonies the following year, which include five Filmfare Awards, including a Best Actress award for Kajol, three Zee Cine Awards and a Screen Award in the Best Actress category for Kajol.