Photo: Jordan Strauss/WireImage - Photo: Kevin Mazur/WireImage
She's the virginal young woman who is ushered into a strange world of sex when she meets Christian Grey. But beyond just yielding control of her body to this man, Anastasia is also a woman navigating a crisis of identity. So who gets the role: Emma Watson, who could leave her child actor days completely behind with such a grown-up film? Or Lily Collins, the "it" girl who'd prove her staying power with a risky role?