Tom Brady's oldest kiddo is officially an adult, and dad couldn't help but gush over his son in a new post on Instagram. Brady posted a series of photos with Jack, who he shares with Bridget Moynahan—wishing him a happy 18th birthday.

Tom Brady shared several sweet photos of his son Jack, who he shares with ex Bridget Moynahan’s son, on his 18th birthday, from new moments to throwback memories.

Tom Brady shares son Jack with his ex Bridget Moynahan. Here's everything to know about their kid, who's a rising football star in his own right.