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A series of documents obtained by American gossip site The Blast are thought to show the actor, 45, filing a number of documents in court saying she is prepared to speak out and provide evidence for alleged domestic abuse throughout her two year-marriage to Pitt, 57.
A separate document reports that both stars will need to give permission for their youngest children to provide testimony in their divorce proceedings.
Angelina and Brad filed for divorce in 2016, and have spent the last five year embroiled in a bitter divorce battle hashing out custody of their children: Maddox, 19, Zahara, 16, Pax, 17, Shiloh, 14, and twins Knox and Vivienne, 12, and their financial arrangements for trial.
Shortly after the couple announced their split, it was widely reported that Brad was being investigated by the FBI and social services in Los Angeles for an incident on a private jet involving son Maddox.
While a formal investigation was launched, Brad was quickly cleared of any criminal wrongdoing.
Angelina met Brad in 2004 when they worked together filming spy romp Mr and Mrs Smith, with the pair having since admitted they "fell in love" while on set.
After rumours swirled about the pair having secretly tied the knot, the pair officially announced their engagement in 2012, when Angelina is spotted wearing an engagement ring thought to have been worth over $1 million (£716, 705).
The pair married in August 2014 in a lavish ceremony at their Chateau Miraval in France, with all six of their children involved in their big day.
Angelina has since said splitting from Brad after 12 years together was "the right decision" for her family.
"I continue to focus on their healing," she told Vogue India. "Some have taken advantage of my silence, and the children see lies about themselves in the media, but I remind them that they know their own truth and their own minds."
Tyla has contacted a representative for Brad Pitt for comment.
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