While filming the movie, the pair spent a lot of time together, and their connection deepened. Their on-screen closeness in Hum Dil De Chuke Sanam reflected their growing bond, and off-screen, they began to share their personal lives with one another. Aishwarya’s portrayal of the spirited Nandini and Salman’s role as the passionate Sameer allowed the two to showcase their undeniable chemistry, which translated into a strong real-life affection.