Vidya Balan�s father P.R. Balan, says he was quite impressed with his daughter�s performance in The Dirty Picture and feels she is a born actress.Balan�s father, said: �I sent her the message on 26 November, 2011, �bold and beautiful, fantastic, you are a born actress. An actor par excellence. I am proud of you I did not find anything vulgar in The Dirty Picture.�Released last year, The Dirty Picture was an unofficial biopic of southern sex symbol Silk Smitha. Balan played the lead role. Both critics and audiences liked it.Balan�s father said he knew the film would be a super hit.