'Fifty Shades of Grey': We cast it for you!

'Fifty Shades of Grey': We cast it for you!: Stewart starred in the Twilight films and the book began as Twilight fan fiction. Shes got the looks, but how innocent can she pretend to be?

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Kristen Stewart

Stewart starred in the "Twilight" films and the book began as "Twilight" fan fiction. She's got the looks, but how innocent can she pretend to be?