“Me and my god son," wrote the 38-year-old actor. "Made with @donald_faison’s sperm." In the picture, a wide-eyed Braff cannot seem to get enough of the beaming, bib-clad baby, as he cuddles the little one in his arms.
Braff and Faison, 39, who costarred in the NBC (and later ABC) comedy series Scrubs, have remained close friends since the show ended in 2010. The actor pals are so tight that Faison, who currently stars on The Exes, married Cobb back in December 2012 at Braff's home.
Cobb and her husband welcomed baby Rocco back in August. Jessica Simpson's bestie, 35, shared an adorable Instagram shot with her happy family last month, wishing fans a "Happy Thanksgiving from the Faisons!"