Preity Zinta and Kareena Kapoor are rumoured to have cameos in Raj and Krishna DK’s next, Happy Ending, which features Saif Ali Khan in the lead. Kareena and Preity to play Saif’s former girlfriends. It was Saif who suggested Preity’s name who has successfully paired with him twice in the past (Kal Ho Na Ho and Salaam Namaste). Kareena, who also has a cameo, will play a dramatically different character. “She is more of an obsessive lover.