Angelina Jolie has reportedly taken on a risky diet to slim down for Salt, the movie she’s currently filming in New York.

According to Britain’s the Sun, Jolie has shed 21 pounds in as many days while on an all-liquid diet.

“She does all her own stunts but we worry she could injure herself due to the weight loss,” a source tells the paper.

Meanwhile, Grazia magazine reports the actress has only lost eight pounds, but that people around her are still just as concerned.

The magazine claims Brad Pitt grew so fed up with her fasting that he stormed out of their rented Long Island home.