Why Aamir Khan's Movie titled as PK?

Film Lovers wondered why did Rajkumar Hirani choose 'PK' as the title of his upcoming movie starring Aamir Khan.

In the dialogue promo of the movie, Aamir Khan explains to Anushka Sharma how did his name got christened as 'PK' and then few humourous scenes follow. The innocence and purity in Aamir's role beautifully portrayed on the screen. We don't want to spoil the fun by explaining everything in detail. Watch this dialogue promo to know what the actual secret behind the title.

'PK' will be releasing as a Christmas gift this year. Its unlike the commercial potboilers or romantic comedies we are used to seeing till date.