Looks like Taylor Lautner isn't the only one who got buff for "New Moon."
Kristen Stewart flexes her muscles during a one-on-one interview with "Extra's" Mario Lopez. Watch the raw, behind-the-scenes footage from "Extra's" Samsung Jack phone below.
Lopez asks the "Twilight" star if he could play one of the werewolves in the vampire saga (out Nov. 20).
Stewart's response? He's "got the guns!"