India, Jan. 13 -- Bollywood actor Aamir Khan recently teamed up with comedian Sunil Grover for a promotional video for his upcoming production Happy Patel: Khatarnak Jasoos. In the clip, Sunil and Aamir engage in a hilarious face-off to decide who the 'real Aamir' is. Now, a behind-the-scenes video shared by a member of Aamir's team shows the superstar's priceless reaction to Sunil's spot-on mimicry.

The BTS clip captures Sunil impersonating Aamir during a scene with Vir Das, while Aamir watches from behind the camera. At one point, Aamir is even seen guiding Sunil on how to perform a particular moment. As Sunil breaks into a mock-crying act, Aamir bursts into laughter, unable to control himself. He is seen clapping and laughing along wi...