Should Kristen Stewart and Robert Pattinson Star in 50 Shades of Grey?

Would Kristen Stewart be up for starring in Fifty Shades of Grey?
She hasn't read it yet, but she's already dying to star in a new film with boyfriend Robert Pattinson, and it's loosely based on their characters, so ... maybe!
The sexy novel trilogy by EL James, recently acquired by Universal Studios in a movie deal, was inspired by Edward and Bella from the Twilight novels.
Knowing this, could she see herself and Rob in 50 Shades?
“I’m dying to make another movie with Rob, I think that we’re a good team,” Kristen said. “I think whatever it is needs to be so ridiculously ambitious."

"So maybe! I just haven’t read it, so I don’t know too much about what it is, but I've heard good things, and would love to work with him again.”
Kristen reiterated that she "doesn't know" when asked if she could picture herself and Rob playing Christian and Anastasia in 50 Shades of Grey.
You can see why the idea appeals to many fans, however - as does another faux vampire combo in The Vampire Diaries' Ian Somerhalder and Nina Dobrev.
In the book, Ana (based off of Bella) falls for Christian (based on Edward Cullen), a rich 27-year-old entrepreneur who introduces her into his erotic world of S&M.
What's your take? Would the Snow White and the Huntsman star be a good fit for the role? Vote for who you think should play both lead characters below to vote
 http://www.thehollywoodgossip.com/2012/05/should-kristen-stewart-and-robert-pattinson-star-in-50-shades-of/#ixzz1v5c1ew1s