Brad Pitt's Daughter Vivienne Files to Drop 'Pitt' From Last Name — photo 3 of 5

Vivienne, the 18-year-old daughter of Hollywood stars Brad Pitt and Angelina Jolie, has officially filed a petition to change her name. According to TMZ, she wants to drop her father's surname and become simply Vivienne Marcheline Jolie. The reason listed in the documents is simply "personal."