Naomi Watts to play pregnant Russian prostitute in new movie

Naomi Watts, who is gearing up to promote her latest film in which she plays the late Princess Diana, is now playing the role of a pregnant Russian prostitute in upcoming movie St. Vincent De Van Nuys.The 44-year-old actress was spotted sporting a fake baby bump on the film set in Brooklyn, New York on Tuesday, the Daily Express reported.Unlike her usual glamorous look, the mother of two was dressed in a pink lace top, with a short denim skirt and a white jacket. 'The Impossible' star features alongside Bill Murray, Melissa McCarthy and Chris O'Dowd in the film that tells the story of a young boy whose parents have just divorced.