As part of the promotion for his upcoming movie 'Bang Bang', Hrithik Roshan has been challenging his Bollywood colleagues on Twitter to take up various dares.

Here's a dare for Farhan Akhtar:

And here is one for Dino Morea:

And then, Hrithik made the mistake of challenging Ranveer Singh:

That was a BIG, BIG mistake. Because not only did Ranveer Singh accept the challenge, he totally owned it. Here is the video he uploaded on Youtube:

Needless to say, Hrithik was very impressed by the video:

We wonder who Hrithik will be challenging next!