Arnold Schwarzenegger Celebrates Son Patrick’s 28th Birthday With All His Kids Except Joseph Baena — Photo

Arnold Schwarzenegger's son Joseph Baena, 23, flashes his muscles

Arnold Schwarzenegger’s Son Joseph Baena, 23, Lifts His Shirt To Show Off His Progress At The Gym

Arnold Schwarzenegger's son Joseph Baena shows off his 'core control' while flexing his toned abs