At an event today, Rani Mukerji celebrated a special milestone of completing 30 years in cinema. The event, filled with nostalgia and fun conversations, saw Rani in a candid conversation with Karan Johar, who was the host. While the event was a celebration of her versatile career, it was a specific trip down memory lane that left the actress and the audience visibly emotional. During the heartfelt chat, Rani broke down while remembering the early days of her career, specifically the filming of the 1998 classic Kuch Kuch Hota Hai.