Not surprisingly, rumors of a budding romance are flying after Taylor Swift and actor Brenton Thwaites were spotted hanging out at the 2013 Toronto Film Festival.

Swift was at the festival on Monday (Sept. 9) to see a screening of 'One Chance,' which features one of her original songs. After the film, she headed to the Soho House for a private afterparty, which is apparently where she was chatting extensively with Thwaites.

An onlooker tells Us Weekly that Swift and Thwaites chatted for an hour, even making each other laugh. The source adds that at one point, the 24-year-old Australian actor "had his arm around her back."

"She touched his leg a few times. They seemed very into each other," the unnamed witness says.

It's hard to put too much stock into what an anonymous source says, but photos don't lie. Swift and Thwaites did pose together for cameras, with his arm around her back and her leaning into his side.

But another eyewitness at the party doesn't seem to be as convinced that the country crossover star has a new love interest. "She talked to several people, and he was one of them," the second anonymous source reveals.

As usual, it's hard to say whether Swift is eying a new relationship, or if she's just having fun. Still, as they always do with the 'Red' superstar, romance rumors are whizzing. For now, take it all with a grain of salt.

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