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Rose Byrne, Bobby Cannavale, Annie, Kiss

Doug Meszler / Splash News

Rose Byrne and Bobby Cannvale are just a couple of kissing costars!

Then again, seeing how the two are dating in real-life, it didn't come as a complete surprise to find them stealing a smooch while shooting scenes for the upcoming Annie movie remake in New York City on Tuesday, Dec. 3.

While both wore heavy coats in between takes to keep warm, the pair's PDA no doubt provided a little added heat.

Byrne and Cannavale began dating in the fall of 2012 and made their red carpet debut as an item at the CFDA Fashion Awards in June 2013.

In September, while accepting his Primetime Emmy Award for Outstanding Supporting Actor in a Drama Series, the Boardwalk Empire star called Byrne "the love of my life."

As for Annie, the film also stars Quvenzhané Wallis as the titular character, Jamie Foxx as the Daddy Warbucks-esque Benjamin Stacks and Cameron Diaz as Miss Hannigan.

Will Smith and Jay Z are producers on the project, which is set to hit theaters on Christmas Day 2014.