Content warning: This article includes an alleged account of sexual assault, which some may find distressing.
Amber Heard has been accused of repeatedly insulting Johnny Depp during their marriage.
Depp's older sister Christi Dembrowski claimed that Heard would ridicule her then-husband, calling him an "old fat man" with "no style."
Dembrowski was the first witness to testify in the $50 million defamation trial, which kicked off yesterday in Fairfax Country, Virginia, with explosive opening statements from both parties.
Hollywood star Depp, 58, is suing his ex-wife for claiming to be a domestic abuse survivor in a 2018 op-ed for the Washington Post. The jury will decide whether Heard, 35, was being libelous in the op-ed.
Both actors' legal teams traded blows during the opening hours of the trial, giving the court brutal details about their volatile relationship. Heard's lawyers alleged that Depp would viciously beat his wife while under the influence of drugs and alcohol, claimed he sexually assaulted her with a liquor bottle, and described him as an "obsessed ex-husband hell-bent on revenge," per The Guardian.
Meanwhile, Depp's lawyers maintained that her allegations were false and claimed that Heard would be giving "the performance of a lifetime" during the long-awaited libel trial. They also brought out the trial's first witness - Depp's big sister Dembrowski.
In the Twitter video below, watch as Depp's sister, Christi Dembrowski, claims Heard called her famous brother "an old fat man"After explaining that her brother had sworn never to perpetuate a cycle of domestic abuse, Dembrowski accused Heard of taunting her brother while they were together.
"She called him an old fat man", she said, before recounting an incident that occurred when Depp was approached by fashion brand Dior.
"Johnny told Amber that I had just had a meeting with Dior and they were interested in him," she said. "Her reaction to that was she was in disbelief and sort of disgust because she said 'Dior, why would Dior want to do business with you? They are about class and they are about style and you don’t have style.'"
"It was insulting. Taking away that one moment, that insult is there," she added.
Dembrowski went on to give the court details of her and Depp's childhood and how their mother allegedly beat both them and their father, per The Independent,
"As [Depp and I] were older, we decided that once we had our own home, that we were never going to repeat in our own home anything similar to our childhood," she said.