KKHH was a massive commercial success and received widespread critical acclaim. The film's soundtrack, composed by Jatin-Lalit, was a huge hit, with songs like "Kuch Kuch Hota Hai" and "Tujhe Dekha To" becoming chart-toppers. The film's success can be attributed to its relatable storyline, memorable characters, and iconic dialogues. KKHH has been referenced and parodied in numerous other films, TV shows, and advertisements, cementing its place in popular culture.