See who's heating things up offscreen
Kristen Stewart and Robert Pattinson
Although the twosome are passionate as Bella and Edward on-screen, Stewart, 19, and Pattinson, 23, deny being more than close friends. Sources, however, say the pair -- who were photographed holding hands in Paris Nov. 10 -- are definitely on. "They hook up when they want to," a pal says.
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