Taylor Swift — Fireworks with Patrick Schwarzenegger

Taylor Swift might have a new love story in the works … “cause the country superstar spent a romantic 4th of July on the beach with Arnold Schwarzenegger“s son.

22 year old Taylor and 18 year old Patrick Schwarzenegger were spotted in Massachusetts together … laughing … and at one point, taking a private stroll along the beach.

We”re told the two were also seen with several members of the Kennedy family.

Unclear if the two are officially dating — but Taylor seems to have a thing for famous dudes … she”s been romantically linked to John Mayer, Joe Jonas and Jake Gyllenhaal.