Taylor Swift: I'm Dating Loki aka Tom Hiddleston!!!

Taylor Swift's already moved on  ... to actor Tom Hiddleston, just two weeks after her breakup with Calvin Harris.

TMZ has confirmed Taylor and Tom have formed a dating union. Truth be told ... it wasn't hard to confirm, after photos surfaced of the two passionately kissing.

The 35-year-old Hiddleston played Loki in 'Thor' and there's a buzz he's the new James Bond.

Taylor and Tom were dancing together at the Met Gala back on May 2 when she was still with Calvin.

Tayhid?