Blake Lively and Ben Affleck Go to Town

Out to shoot a few scenes, Blake Lively was spotted hard at work on the set in Boston, Massachusetts earlier today (August 31).

Joined by co-star Ben Affleck, the “Gossip Girl” actress looked lovely as she held a young child in her arms as the cameras rolled.

Miss Lively is in town as she works on her upcoming project “The Town,” which is due out in 2010.

Meanwhile, Blake will be making her much anticipated return to the small screen as Serena van der Woodsen on the CW's "Gossip Girl," whose new season begins September 14.

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Enjoy the pictures of Blake Lively and Ben Affleck filming in Boston (August 31).