The makers of 'The Dirty Picture' had invited the public at large to attend the music launch with friends and family to kick off a 'dirty' weekend. Vidya Balan danced to the 'Ooh la la' number with other artists at the music launch. Vidya, Emraan Hashmi, Naseeruddin Shah, Tusshar Kapoor, Bappi Lahiri and Shreya Ghoshal performed at the event live. For regular updates on the latest happenings in Bollywood kindly subscribe www.youtube.com/thebollywoodshow