Main Heroine Hoon- Kareena Kapoor and Aishwarya Rai: Aishwarya had quite an ugly spat with a co-actress, when she was replaced by Kareena Kapoor in Madhur Bhandarkar’s ‘Heroine’. The fracas only heightened the divide in their personal relationships (as Kareena’s sister Karisma was initially to have wed Abhishek Bachchan)