Jason Aldean and his wife Brittany welcomed their baby boy Memphis on Friday. The couple shared photos to their social media and one caption read: "So blessed today to see my little man come into the world. In a year that has been a rollercoaster ride, this is what its all about. I cant wait to see what life has in store for this kid. Memphis Aldean... 9lb 5 oz. #mamawasarockstar"