They were joined on the fun family outing by Ben‘s mother Christine.
The 46-year-old Justice League actor looked every inch the movie star in a blue plaid flannel, jeans and black leather boots.
“Jen, Ben and the kids were in Montana for Thanksgiving,” a source told People.
They added, “This was long planned. They always celebrate big holidays together as a family.”
“The family all spent Thanksgiving together and they all cooked,” continued the insider.