Angelina Jolie's latest adoptee, Pax Thien, is now a Pitt.  Angelina's boyfriend Brad has adopted Pax making him an official member of the Jolie-Pitt family.

Angelina adopted Pax in March, and to keep with Vietnamese custom - Brad Pitt was not mentioned on the adoption as unmarried couples are prevented from adopting in that country.

Three-year-old Pax's sur name was appended Thursday in Santa Monica Superior Court, joining siblings Maddox, 5, Zahara, 2, and Shiloh, 1, in the Jolie-Pitt pack.

At the Cannes Film Festival earlier this month, Angelina said she will take the entire next year off to stay at home with her family.