Theroux was filming with stunner Ilana Glazer in the Big Apple and he appeared to be smitten with his sexy co-star.
The pair were spotted in Central Park shooting ‘False Positive’ a horror movie that Glazer co-wrote.
It also stars Pierce Brosnan and is being directed by John Lee.
Since his divorce from Aniston Theroux has re-located to New York where he has an apartment in the West Village.
The 47-year-old is regularly seen cycling around the city and hanging-out with his friends.
Meanwhile, Aniston remained in Los Angeles after their split with reports that the pair has remained friends.
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Theroux and sexy Glazer acted a s a couple in their scene as they hugged one another and also shared a kiss.
The two actors wrapped-up from the chilly temperatures and were all smiles when the cameras were not rolling.
RadarOnline.com reported that Theroux spent Valentine’s Day with stunning model Brooks Nader in New York.