Angelina Jolie's daughter Vivienne, 18, gets sweet support of twin brother Knox as he helps her sell art at LA street fair

Angelina Jolie and Brad Pitt’s Daughter Zahara Becomes Their Third Child to Officially Drop Pitt from Last Name

Brad Pitt and Angelina Jolie's daughter Vivienne, 18, sells her artwork at local LA street fair as twin brother Knox steps out to show his support

Brad Pitt's estranged daughter Vivienne, 18, takes out newspaper ad announcing she is dropping his surname... amid ongoing family drama