It is Shah Rukh Khan?s 50th birthday today and the nation is in a trance! From crowding outside SRK?s bungalow Mannat and screeching on top of their voices to showering the superstar?s Twitter account with messages, the fans have done it all. This year, SRK celebrated a quiet birthday with his family. The superstar was seen cutting the cake with wife Gauri and kids Aryan, Suhana and BollywoodLife provided its readers with picture of the same. Currently, SRK is at a suburban hotel and is having an interaction with the media, on his 50th birthday. The actor is being bombarded with questions as usual, where publications are quizzing him about his life journey so far, his upcoming films, his wife and kids, etc. The superstar was asked to talk about the two biggest changes in his life.