Song: Haseena Tu Kameena Mein Singers: Siddharth Basrur, Shruti Pathak & Rahul Pandey Movie: Happy Ending Cast: Saif Ali Khan, Ileana D’Cruz, Govinda, Kalki Koechlin & Ranvir Shorey Music: Sachin-Jigar Lyrics: Amitabh Bhattacharya