The event was the music launch of the upcoming movie 'The Dirty Picture'. At the event were present the entire cast and crew of the movie. Vidya Balan also performed for the audience on "oo lala" a super hit song from the movie. Bappi Lahiri was all praises for Vidya Balan. To know more watch this video. For latest updates on Bollywood, log on and subscribe to http://www.dailymotion.com/live9tv