Which Pretty Actress Is Taylor Lautner Holding Hands With?

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Add Taylor Lautner and Marie Avgeropoulos to the celeb twosomes struck by Cupid's arrow this summer.

While filming "Tracers" in Manhattan this month, the 21-year-old "Twilight" star has been inseparable with the Canadian actress, as photos from the set have shown. But the debate as to whether they are or aren't cozying up off-screen appears to be answered as new pictures emerge showing them holding hands.

The PDA moment took place in New York City's Soho neighborhood on Monday. Lautner, looking like a local in a Yankees baseball cap, held onto Avgeropoulos's digits as they strolled.

We're talking firm grip, fingers intertwined, comfortable, we've-done-this-before hand-holding.

They were obviously enjoying themselves, because their romantic stroll inspired a selfie. At one point, Lautner pulled out his iPhone and snapped a close-up shot of them. The 27-year-old beauty rested her hand on his shoulder for the pic.

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This is an exciting relationship status change for Lautner, who became the object of affection to many young ladies playing werewolf Jacob in the popular vampire series. However, he has yet to go public with a long-term girlfriend, instead having minute-long dalliances with Taylor Swift and Selena Gomez, and a slightly longer relationship with Lily Collins in 2011.

In "Tracers," Lautner plays a bike messenger named Cam, who crashes into a pretty stranger and is lured into the intriguing world of parkour. No doubt the real-life martial arts expert will be showing off his skills on-screen in the action flick. Meanwhile, Avgeropoulos plays a skater girl who lures Cam into a love triangle, a role she has been filming with a broken ankle after suffering an injury earlier this summer. So that gives you a hint as to how bad ass she is.

The film is slated for a 2014 release ... though we'll have to wait and see if they'll still be dating come premiere night.

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