Actress Kareena Kapoor jokingly said she would kill herself, when asked by Karan Johar on what she'd do if stuck in an elevator with Deepika Padukone and Katrina Kaif. Reportedly, Kareena's cousin Ranbir Kapoor recently broke up with rumoured girlfriend Katrina and had dated Deepika earlier. Kareena will feature with Sonam Kapoor in the upcoming episode of 'Koffee with Karan'.