We all know that Vidya Balan has shed all her inhibitions to portray south Indian sex-bomb Silk Smitha in Milan Luthria's `The Dirty Picture`. The film which happens to be producer Ekta Kapoor's ambitious project has raised many eyebrows for the explicit content even in its trailers. Now Vidya's Boyfriend Siddarth Roy Kapoor is being insecure about her bold scenes with Naseeruddin Shah, Tusshar Kapoor & Emraan Hashmi in the film.