New Delhi, Jan 1 (ANI): Dirty Picture actor Vidya Balan also known as the female hero of bollywood turns a year older today. Born on January 1, 1978 Vidya was a model for several products before she entered Bollywood with Parineeta at the age of 27. She was praised for her performance by critics and audiences alike and went on to give other hits like Lage Raho Munnabhai, Guru, Ishqiya, Paa, No One Killed Jessica and of course, The Dirty Picture.