Why's Priyanka chopra feeling 'so unhealthy'?

Priyanka Chopra's been saying for a while now that her role in Vishal Bharadwaj's 'Saat Khoon Maaf' is her most challenging yet. And looks like the challenge extends to her weight as well. The actress had to put on a lot of weight for the movie, and now that the shooting is almost done, she's in a rush to lose it all.Priyanka confessed on her Twitter page, "I've been on a