Ashley Greene: Robert Pattinson-Kristen Stewart Chemistry is "Incredible"

Whether they are "obsessed with each other" or he "really wants her" remains unclear, but there is no denying that New Moon co-stars Robert Pattinson and Kristen Stewart have a palpable on-screen bond that drives the masses wild.

Even their co-stars can sense the attraction.

"The chemistry is incredible," says Ashley Greene, who joined Robsten at the New Moon Comic-Con event to promote the new flick in the Twilight saga.

"They're just people you can feel like you can relate to," adds New Moon screenwriter Melissa Rosenberg. "That sets them apart in a lot of ways."

Count Ashley Green among those who can't get enough Robsten.

Robert Pattinson and Kristen Stewart reunited at the event after spending most of the summer on different coasts: she's in L.A. filming The Runaways (portraying Joan Jett); he's in New York City shooting the indie drama Remember Me.

His co-star, Emilie de Ravin, better hire a security detail, because she's at prime risk of getting mauled with a crude shank as she leaves the set some night.

Will Rob and Kristen ever get together? Is it just wishful thinking?

Celeb gossip sites and magazines have had a field day with the mere possibility - they have never been an official item - of a Pattinson-Stewart seduction. Here's a look at some of the highlights from the past seven months alone ...

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