Pakistan, July 25 -- Brad Pitt and Angelina Jolie's daughter Vivienne is embarking on a new chapter. Eight days after her 18th birthday, Vivienne filed a petition in the Los Angeles Superior Court remove her dad's surname from her legal hyphenated Jolie-Pitt last name, according to court documents obtained by E! News.

In her July 17 filing, she requested that her full name be changed from Vivienne Marcheline Jolie-Pitt to Vivienne Marcheline Jolie, citing the reason behind the request as "personal."

Following the name change, a source close to Jolie emphasised her hope to maintain peace among the family.

"Angie hasn't been fighting and isn't angry," the source said in a statement to E! News. "She just wants everyone to heal."

Vivienne...