Kuch Kuch Hota Hai (1998): Well we’re sure Karan Johar has a thing for love triangles! Literally dozens of his films have love triangles in them, and the common factor is SRK. This epic 90s film has given us songs, jokes and emotional scenes to cherish for life. Well KKHH is more like a love square since first half of the film had a love triangle between Rani Mukerji, Kajol & SRK. While the second half saw SRK winning Kajol back who was engaged to Salman Khan at that time.