National Award winning actress Priyanka Chopra says her role in "Saat Khoon Maaf" is the toughest project she has ever taken up.

"I have been so lost... this film... 'Saat Khoon Maaf' is taking the mickey out of me... the most difficult role of my life, " Priyanka, who won the best actress National award for her powerful performance in "Fashion", wrote on her Twitter page.

"Saat Khoon Maaf" is being directed by Vishal Bharadwaj. In the film, Priyanka has seven husbands - while Naseeruddin Shah plays her oldest spouse, Neil Nitin Mukesh has just been signed to play the youngest.

The actress was previously seen in Bharadwaj's production venture "Kaminey".