Filmmaker Kunal Kohli revealed that Saif Ali Khan and Rani Mukerji had "zero camaraderie" during 'Hum Tum', stating that he had to push them to be friendlier. Kunal recalled, "Saif and Rani didn't like each other." He stated that Rani even refused to act out a kissing scene before agreeing, adding, "It's...one of the worst kisses of Hindi cinema."