Does the Duffster have a new dude? It certainly looks like it!

Hilary Duff posted this pic of herself getting very cozy with her co-star Nico Tortorella on her Instagram yesterday, but the actress must have realized it was going to spark a million questions about the status of her marriage with estranged husband Mike Comrie, because the photo has mysteriously been taken down!

The blonde beauty and the actor have been filming Younger in New York City for the past several weeks, so it's totally possible that their working relationship has blossomed into romance! The Lizzie Maguire star and her hockey hubby announced their split in January, but a reunion has seemed likely ever since, with the duo most recently being spotted holding hands at a Halloween party.

"I think we got to a point where we were like, we really need to honor happiness and whatever that is and however we need to sort that out or work that out, we're doing that. We love each other so much and we love spending time together. So when you see us out it's not just for Luca, it's because we make plans and we hang out and we don't know what our future looks like right now but we're both doing really good and just figuring out what makes us happy," the singer explained to Giuliana Rancic at the iHeartRadio Music Awards.

Nico's a bona fide hottie so that's gotta be tempting!