Now playing : Kuch To Hua Hai: Kal Ho Naa Ho
Every Valentine would want to dedicate this awesome song to their special one. Here is the video of the song 'Kuch To Hua Hai' starring bubbly Preity Zinta, Saif Ali Khan and Shah Rukh Khan. The song talks about the first changes you experience with yourself after falling in love with that one person. Go ahead, watch it yourself.