Robert Pattinson is so smitten with his Twilight co-star and rumored girlfriend Kristen Stewart, she has already met his parents, his aunt has revealed.

The British hunk has been romantically linked to Stewart for months and Twilight director Catherine Hardwicke confirmed the stars were dating earlier this month.

She told Time magazine, "After I cast him, I told Rob, 'Don't even think about having a romance with her. She's under 18. You will be arrested.' I didn't have a camera in the hotel room. I cannot say. But in terms of what Kristen told me directly, it didn't happen on the first movie. Nothing crossed the line while on the first film. I think it took a long time for Kristen to realize, 'OK, I've got to give this a go and really try to be with this person.'"

The actors have been dodging questions about their love lives while promoting the second installment in the vampire series, The Twilight Saga: New Moon, but Pattinson's aunt Diana Nutley claims Stewart has already been introduced to her beau's parents.

She tells OK! magazine the couple took a break from their hectic work schedules while promoting New Moon in Europe last week to dine with Pattinson's mom and dad in Paris, France.

Nutley says, "(They) had to keep it secret."

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(This news article provided by World Entertainment News Network)