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.

The video for "Kolaveri Di" was released on YouTube Nov 16. Its peppy, catchy tune as well as funky lyrics helped it go viral on the internet and get more than a million hits on the website within a day of its release.

The song, composed by 18-year-old Anirudh Ravichander, is part of the film "3", which is Dhanush's wife Aishwarya's directorial debut.