John Stamos is about to experience the joys of fatherhood!
"My life has been 'over blessed' but this could be my happiest moment ever!" he shared on Instagram when celebrating the news.
And while he may have played a fantastic father on TV, John realizes that his life at 54 is about to change in more ways than one. As we celebrate the beloved Hollywood actor on his exciting family news, we're reminded that John certainly isn't the first star to become a dad after 50.
Take a look at a few more Hollywood studs who became a father later on in life in our gallery below.