Angelina Jolie and Brad Pitt‘s children are growing up — their daughter Zahara Jolie-Pitt is now 16 years old! The estranged spouses’ third oldest child celebrated her Sweet 16 on Jan. 8, reminding fans just how fast time has flown by. Over the years, fans have watched Zahara grow up to be a loving daughter and sister as she has accompanied her siblings and famous parents to multiple premieres, events and outings.