The couple was seen together, having lunch with their two kids on Friday.
“Brian and Megan are living together in Malibu with their boys. They have been getting along and seem very happy. They are just waiting for the baby to arrive,” a source tells PEOPLE.
It was reported that Fox began to reconsider the divorce when they travelled to Hawaii in April, where they were married six years ago.
Fox and Green already have two sons in their growing family, three-year-old Noah and two-year-old Bodhi.
They were married in 2010 and have been together for 12 years.