However, it was the 2003 blockbuster Kal Ho Naa Ho that truly weaponized her presence. As Naina Catherine Kapur, she moved from suppressed frustration to radiant joy. The film’s success was driven largely by Zinta’s ability to cry and laugh in the same breath. Entertainment critics noted that while Shah Rukh Khan was the soul of the film, Zinta was its heartbeat. Her dialogue, "Sab kuch milega, sab kuch," became a cultural catchphrase, demonstrating how character-driven content could infiltrate public lexicon.