"'Happy Ending' is a romantic comedy film. She (Kareena Kapoor) has done a scene in the film, which is against (her) type. It's something you guys must not have expected, you all will be surprised," Saif told reporters here.
Directed by Raj Nidimoru and Krishna DK, "Happy Ending" also features actress Ileana D'Cruz.
Of his role in the film, Saif said: "There is a lot of talking in 'Happy Ending'. Even that's too difficult! You need control over that... I think I prefer different kind of roles and I must say I love my role in 'Happy Ending'."
Spotted: Virat Kohli, Anushka Sharma and other celebs at Mumbai airport
Photos: Salman Khan's 'special friend' Iulia Vantur at a song launch
In Pictures: Sex scandals involving Indian politicians
Photos: Abhishek Bachchan and Farah Khan at Boman Irani's birthday bash
Spotted: Shah Rukh Khan at Morani's bungalow in Mumbai