Kajol began her acting career as a child artist in the 1986 film "Balika Vadhu." She then transitioned to leading roles in the 1990s, making her debut as a heroine in the 1993 film "Love Love Love." Her breakthrough performance came in 1995 with the film "Hum Aapke Hain Koun..!", which earned her a Filmfare Award for Best Actress.