When Karan Johar signed Ranbir Kapoor, Aishwarya Rai Bachchan and Anushka Sharma for his next directorial venture Ae Dil Hai Mushkil, he certainly pulled off a casting coup and got us all very excited. Well, the talented filmmaker has now made a new addition to his stellar star cast. Johar has brought on board Saif Ali Khan who will play the role of Ash?s husband in the film. Yes, contrary to the latest gossip its NOT Fawad Khan but Saif who has bagged the coveted project. Not too long ago,