Let’s Be Friends!: Directed by Kunal Kohli. With Hrithik Roshan, Kareena Kapoor, Rani Mukerji, Uday Chopra. A young man in England regularly mails his childhood sweetheart in India is unaware that the replies he receives are written by another girl. A man falls in love with his childhood friend, but her sister is the one who reciprocates his feelings.