“Schreib tribe…#dia #richardserra,” he captioned the image of his beautiful boys.
Last month, the father-of-two, 49, shared a snapshot with his sons and some friends at the NYC screening of My Little Pony: The Movie.
Also in September, the Salt star took his younger son as his date to The Emmys.
In July, the actor reunited with ex-partner Naomi Watts at their elder son’s tenth birthday party.
The pair announced their separation last September.
“Right now I’m at a point where I’m healing and just wanting to protect the family unit, and we’re doing, so far, a pretty good job with that,” the Birdman actress recently shared. “We have huge love and respect for one another and high hopes for it to remain that way going forward.”