Pax Thien Jolie-Pitt is celebrating today. The son of the very famous actors, Angelina Jolie , 50, and Brad Pitt , 61, turns 22! The Hollywood stars adopted Pax in 2006 from Vietnam just after the birth of their daughter, Shiloh Nouvel .

Pax spent the early years of his life at the Tam Binh Orphanage outside of Ho Chi Minh City. "He spent [three and a half] years of his life in one place, in one room, in this one little iron bed with 20 other kids, and having no choice for himself to do things, having no freedom," Angelina told MSN .

"And suddenly, here he is in a very free situation with new brothers and sisters and a mom and dad," she continued. "He's learning English and he's so loving and he's wild and free 'cause he suddenly has freedom."

As Pax celebrates his 22nd birt

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