Access Hollywood Charlize Theron and Kristen Stewart have become the best of friends since playing mortal enemies in the upcoming “Snow White and the Huntsman” – so much so, that Charlize says she’d do just about anything for the “Twilight Saga” star. “I really, I really, really love that girl. I love that girl, like, I would jump off a building for that girl,” Charlize, 36, told Access Ho…