Filmmaker Karan Johar made his Bollywood debut as an assistant director and in a minor supporting role in the 1995 film Dilwale Dulhania Le Jayenge (DDLJ). Johar featured as the lead actor Shah Rukh Khan's friend Rocky in the film. Johar, who made his directorial debut with the 1998 film Kuch Kuch Hota Hai, turned 45 on Thursday.