On the set of their new movie, “He’s Just Not That Into You.”  I think they would have really amazing on-screen chemistry.  Don’t know why.  What do you guys think?

Ben Affleck has joined the ensemble cast of the New Line comedy He’s Just Not That Into You, to be directed by Ken Kwapis (License to Wed).

The cast includes Drew Barrymore (who also produces via her Flower Films company), Jennifer Aniston, Jennifer Connelly, Kevin Connolly, Bradley Cooper, Ginnifer Goodwin, Scarlett Johansson and Justin Long.

Variety says that filming begins Sept. 10 in Los Angeles. The screenplay adaptation of the Greg Behrendt and Liz Tuccillo bestseller was adapted by Never Been Kissed scribes Abby Kohn and Marc Silverstein.

*IMAGES REMOVED AT OWNERS REQUEST*

Here, we see Ben Affleck and Jennifer Garner hanging out on the beach in Hawaii, having a little fun in the sun on the Fourth of July. They make such a cute couple.

Below, a picture of Ben, Jennifer, and Matt Damon, surfing. That guy in the background of this picture seriously needs a tan, don’t you think?

Check out the third photo of just Jennifer Garner. She looks great in a red bikini bottom and black top. Looks like they are having a blast!

Nearly 10 years after Ben Affleck, 34, and Matt Damon, 36, snagged Hollywood’s highest honor for cowriting Good Will Hunting, the wonder boys are working together on a new screenplay, an insider tells Us Weekly.

“They’re really excited about it,” says the source.

The childhood pals wrote GWH during the early ’90s.

And what a difference a decade makes!

Then, the struggling actors shared an apartment in Cambridge, Massachusetts.

Now the screen idols have spent two weeks getting their creative juices flowing in a $13,000-a-week house in Kauai, Hawaii.

“Ben and Matt keep taking breaks to go surfing and hang out with their families,” adds the source. “But for the most part, they’ve been writing together on this trip.”

For all the latest news on Hollywood’s biggest stars, check out the new issue of Us Weekly, on newsstands this week.

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