Southern star Dhanush, who has become a household name after his song "Kolaveri Di" went viral online, reveals that the cast and crew of the film "3" has started shooting for the song and he is confident about the final product.

"Started Filming 'why this Kolaveri di'. The whole set is nervous. Haha. I'm just having fun and very confident. Wish us guys. God bless," Dhanush tweeted.