Chris Pratt has reached a major parenting milestone.

He’s officially the dad of a teen. The Guardians of the Galaxy star celebrated as his and ex-wife Anna Farris ’ son Jack August 17’s 13th birthday with a series of rare pics highlighting their father-son moments over the years.

“I have a teenager??? Jack, I can’t believe you are 13 today,” Chris wrote on his Instagram Stories alongside a collage of photos featuring him and Jack, including one in matching jerseys while taking in a game. “I’ve watched you grow into such an incredible young man, and am truly proud of the person you are becoming. I love you! Jesus is King.”

Chris—who shares kids Lyla , 5, Eloise , 3, and Ford , 9 months, with wife Katherine Schwarzenegger —also put Jack’s woodworking skills and love of a

See Full Page