• THEIR GUEST LIST photo | Matt Damon

Credit: Getty (2), ABC

Published: Saturday September 27, 2014 06:00 AM EDT

2014

THEIR GUEST LIST

In addition to Kimmel, the couple was fêted by Damon's longtime best friend Ben Affleck and wife Jennifer Garner, as well as Ocean's costars Casey Affleck and Don Cheadle. "It was a very family-oriented and happy celebration," a source told PEOPLE. "Children were running around and playing with white parasols."