raise your hand if you think this is true.

An Australian tabloid is claiming that "Twilight" heartthrob Robert Pattinson has knocked up his onscreen and rumored real-life girlfriend, Kristen Stewart.

An "insider" quoted by Australia's New Weekly says, "When [Stewart] worked out she was late, she obviously started to thinking that she could be pregnant. And because of the timing, she thinks Rob could be the father." (nydn)