Sit With Hitlist: Filmmaker Karan Johar has marked his return to the director`s chair after a seven-year hiatus with `Rocky Aur Rani Kii Prem Kahani.` Johar revealed that he felt more nervous about this project than any other due to his comeback. He also disclosed the close friendship between Ranveer Singh and Alia Bhatt, affectionately calling each other `Tutu` and `Lulu,` a bond that originated during `Gully Boy` and led to nicknames like `Tuts` and `Luls.` Karan highlighted how their camaraderie mirrors the iconic onscreen chemistry of Shah Rukh Khan and Kajol. During the shooting of the film, the trio would often gather for lively "kitty party" sessions.