Firstpost | Aamir Khan's 3-year-old son Azad now calls him 'PK' Firstpost Mumbai: Aamir Khan's says his three-year-old son Azad has started calling him 'PK', the title of his upcoming film. The family had a screening of the Rajkumar Hirani movie recently here and they felt it's his "best film" till date. "I have good news, my family saw ... Little Azad loves 'PK', Aamir Khan on top of the world 'PK ': Aamir Khan shares good news on Twitter! Aamir Khan to hold special screening of pk for Sachin Tendulkar |