The 27-year-old actress - who plays Veronica in the Darren Aronofsky directed thriller movie - hurt her rib as well as "tore" her diaphragm whilst filming for the role. Speaking to reporters at the Toronto International Film Festival, she said: "Emotionally I had to go to darker places than I would ever want to go in my life and I would never want to go there again. Meanwhile, Jennifer previously revealed she told Darren he had "severe psychological problems" after she read the script for the movie.