“How cool is this guy?! So proud of my little jazz man… Congrats on your first gig!” the Salt star, 49, captioned the image.
The actor and Birdman star Naomi Watts, 48, announced their separation in September. They are also parents to 8-year-old son Kai.
Last week, the Shut In actress shared snaps of herself and her sons.
“The classic tomboy became the mother of these two. Lucky beyond words,” she Instagrammed the images.
The classic tomboy became the mother of these two. Lucky beyond words. ?? A post shared by Naomi Watts (@naomiwatts) on