Patrick Schwarzenegger is the 18-year-old son of the former California governator Arnold Schwarzenegger and Maria Shriver.
The twosome frolicked outdoors together, opting to go for a private walk on a Massachusetts beach where the Kennedys were celebrating America's Independence Day, according to TMZ.
The gossip site added that the two were laughing as they waltzed along the sand and the New York Post described the stroll as romantic.
Swift's heart was allegedly broken by heartthrob singer John Mayer and it's been reported that she responded to the breakup by writing Dear John, a song about how Mayer played her with twisted games, Rolling Stone reported in early June. It seems that this time Swift may be going for a younger man who won't be able to toy with her feelings as easily; the country singer is four years older than the former California governor's son.
It's not the first time Swift has been spotted getting chummy with the Kennedys. The Love Story singer went to the red-carpet premiere of Ethel, an HBO documentary about the life of Ethel Kennedy, Patrick Schwarzenegger's great-aunt, the New York Daily News reported.
The only time in my life I have ever been starstruck was meeting Caroline and Ethel Kennedy, the country superstar explained to Vogue at the time. I got to spend the afternoon with Ethel a couple of weeks ago. She is one of my favorites, because you look back at the pictures of her and Bobby and they always look like they are having the most fun out of everybody.
You know, 11 kids, all these exotic animals on their property. I've read a lot about them.
Swift was inspired to write a song about America's royal family, ABC News said.
But the admiration is not one-sided- - the Kennedys are fans of Swift's, also.
She really just loves my mother, which is so sweet, Rory Kennedy told ABC in January. I'm a huge fan of hers. I have young girls, and we had been to a few of her concerts. I met with her at one of them and she had read a ton of books about our family.
The Daily News said Swift spent some leisure time on a Kennedy family yacht earlier in the holiday weekend with members of the family, including Ted Kennedy Jr., Rory Kennedy, Patrick Kennedy and his wife and two children.
Check out Swift's video for Dear John that is said to be about fellow singer-songwriter John Mayer: