Allison Williams: She's a girl who plays a girl in her 20s on "Girls," which, apparently, makes her the perfect fit for the role of a 21-year-old girl Anastasia Steele. Williams, however, has no intention of making rumor reality. “I wouldn’t take it," she told Fashion Magazine last summer. "It is just too much for me but I applaud whatever actress steps up to the plate and I can’t wait to watch it.”