Remember those rumors that Taylor Swift was dating Arnold Schwarzenegger's son , Patrick ?  That's so last week.  The latest rumor has the star involved up with Conor Kennedy , the grandson of the late Robert F. Kennedy .

A witness tells the New York Post that Taylor and the young Kennedy were seen canoodling last weekend at the Kennedy compound in Hyannis Port, Massachusetts.  According to the source, Taylor arrived at the Kennedy place last Friday and soon afterwards, she and Kennedy were seen jumping on a trampoline and attending a house party.  Next they went to beach, where they were allegedly spotted holding hands, and then joined some people at a pizzeria.

The Post adds that on Saturday, the couple went sailing and Taylor was seen talking to Ethel Kennedy , matriarch of the Kennedy clan, with whom the singer has become friendly.  Sunday, Taylor and Conor reportedly attended church together.

According to the Post, Taylor and Conor have now been seen together three times in the past month.  Pictures in the newspaper show his arm encircling her waist, and she lightly holding his hand.

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