Bollywood's very own Mr. Perfectionist Aamir Khan is all set to don the character of a super stylish and suave villain in the third installment of Yash Raj's stupendous success action-thriller series 'Dhoom'. The conformation has come straight from the horse's mouth as after signing the deal the superstar himself confessed that he was blown away by the script. And after John Abraham and Hrithik Roshan, it would be Aamir Khan who would be playing the con in 'Dhoom 3'. After tasting success in the negative shade of a terrorist in the Yash Raj's blockbuster film 'Fanaa', Aamir Khan has signed the dotted line recently to again play the bad guy in Yash raj's another mega budget action thriller. The preparations have kicked off with Producer Aditya Chopra and actor Aamir Khan trying to put in their best efforts in order to give that perfect look and characterization to Aamir's villainous character.