08/23/2011 AT 10:00 AM EDT
Mom-to-be Jennifer Garner
chowed down on a cheeseburger and French fries during her lunch on the patio at Napa Valley Grille in L.A. She was joined by actor Joel Edgerton
, her costar in The Odd Life of Timothy Green
, and three other companions during the meal. According to an onlooker, the actress, in frayed jeans, was in a good mood.