Justin Long and Kate Mara Dating: Report (PHOTOS)

As Drew Barrymore tied the knot with Will Kopelman this weekend, her ex-boyfriend Justin Long was spotted out with a new woman. The 34-year-old actor was reportedly packing on the PDA with Brokeback Mountain actress Kate Mara, 29.

According to Us Weekly, the twosome celebrated his birthday together and were seen getting cozy on Saturday in New York’s East Village.

What do you think of this pair? Will it last? Sound off in the comments — and click through the gallery to se more of Hollywood’s “mis-matched” pairs.

Long and Barrymore dated from 2007 to 2008. They reunited in 2009 and costarred in Going the Distance, before calling it quits again in 2010. Also, after splitting from Barrymore, it was rumored that Long dated Gossip Girl star Leighton Meester.

Celebuzz has reached out to Long’s reps for comment, but have yet to hear a response.

Before reportedly packing on the PDA with Long, Mara, whose sister is Girl With the Dragon Tattoo actress Rooney Mara, was dating The Social Network star, Max Minghella.

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