Heard was being represented by Precision Strategies, which she reportedly abruptly ditched in favor of LA-based consulting firm Shane Communications.
She made the move in prominent hopes she might receive more favorable coverage this week - during which time she is predicted to take to the stand and testify.
'She doesn't like bad headlines,' an anonymous source told the New York Post, which first reported the news.
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Another source told the newspaper Heard, 36, is 'frustrated with her story not being told effectively.'
The A-list trial in Virginia, which began on April 11 and is set to last an additional three weeks, has so far seen Depp, 58, claim he was the victim of domestic violence during his four days of testimony.
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His bodyguard on Thursday even described in detail the wounds on the actor's face allegedly sustained during a confrontation with Heard.
The Pirates of the Caribbean star is suing Heard for $50 million, swearing she defamed him and destroyed his career after a 2018 Washington Post article in which she characterized herself as a 'public figure representing domestic abuse', without mentioning her ex-husband.
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Heard is countersuing for $100million, and after three weeks of sitting silently in the courtroom during Depp's testimony, she is readying to start her fight back, possibly as soon as Wednesday. The PR firm switch happened the following several days of court testimony from Depp witnesses that saw the social-media mob abruptly turn against Heard.
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Heard's credibility as a philanthropist also took a battering when it was declared she had not donated her $3.5 million divorce settlement to charity - something she had promised publicly to do. She had donated only $1.3 million — and much of that seemed to have come from her ex-boyfriend, billionaire Elon Musk.
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According to Terence Dougherty, the chief operating officer of the American Civil Liberties Union (ACLU), the recipient of Amber's 'largesse', $500,000 came from a Vanguard fund associated with Musk. Her contributions dried up by 2019, and Dougherty told the court the ACLU 'discovered that she was having financial difficulties.
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Heard's lawyer is debating Depp abused her both physically and sexually and she expects to make her point once she testifies early this week. Shane Communications is directed by its CEO David Shane, who has reported against Depp in the past.
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In 2017, the firm highlighted indictments made by Depp's former business managers, The Management Group, alleging that the Pirates of the Caribbean star was required to hire a shrink for his 'compulsive spending' habit of spending $2 million per month.
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Depp then launched a $25 million lawsuit last month against his business managers, The Mandel Company, declaring 'gross mismanagement of his affairs.' One crisis communications expert told the Post that they thought the new PR company would have its work cut out to change the narrative.
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'It's crazy to change teams in the middle of a trial like this because you don't like the headlines,' stated Lis Smith, a senior communications director for Pete Buttigieg's 2020 presidential campaign. 'After years of narrative building, you can't change the public's opinion in the three weeks when someone is suing you in a case.'
Heard never wanted cameras to be allowed in the courtroom at all, but Depp's team pushed for it and won.
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