The actress, 25, signed a contract for nude shots including shots of her breasts (nipples from the front and side) and her butt (side view only) in Powder Blue reports US magazine

She plays a stripper trying to earn money to raise her terminally ill son in the currently-shooting movie, which costars Oscar winner Forest Whitaker.

A source tells Us magazine the director will film scenes that are even more revealing, adding, “Jessica will decide if she wants to show anything additional.”

Last week Biel told Australia’s Sunday Herald Sun that “I wouldn’t feel comfortable with the extent of the nudity in Monster’s Ball…I would be terrified of a role like that right now.”