According to CNN, What's the most popular song of the year 2011, it's not Adele, Pitbull, or not even Justin Bieber.
It's "Kolaveri Di", The Tamil-English track, sung by Dhanush which has crossed 30 million hits so far with more than 1000 remakes..
Mallika Sherawat will be performing to the track on New Year's Eve stage show in Mumbai.
