Sources close to Angelina say Brad's request for documents is revenge, draining her resources in their legal dispute. It's no secret that Angelina Jolie and her daughter Vivienne have a great bond.

Angelina Jolie and Brad Pitt’s daughter ... if Vivienne has legally changed her name — though she’s not the first of the Jolie-Pitt children to appear to drop their father’s surname.

Angelina Jolie's daughter Shiloh ... changed her surname to drop her father's last name. She now goes by Shiloh Jolie, rather than Shiloh Jolie-Pitt. Her sister Vivienne, 16, has done the same.