Amber Heard endured multiple acts of violence and sexual abuse at the hands of Johnny Depp, a forensic psychologist has said.

Dr Dawn Hughes said that the acts of sexual violence, which she graphically detailed to the court, were often a result of the actor's "drug-fuelled rage".

Mr Depp is suing his former partner for libel over a 2018 article she wrote in The Washington Post, which his lawyers say falsely implies he physically and sexually abused her.

The actor has denied all accusations of abuse against his former partner.

Johnny Depp has denied all accusations of abuse against Amber Heard

The court heard that Dr Hughes had interviewed Ms Heard multiple times for a total of 29 hours, during which the Aquaman star reported multiple incidents of violence to her.

"There was a number of incidents of sexual violence reported in this relationship," she said.

"These incidents often happened in a drug-fuelled rage," she said.

Ms Heard looked visibly distressed in the courtroom as the incidents were described.

Dr Hughes’ testimony contradicts previous testimony from Shannon Curry, a forensic psychologist hired by Mr Depp, who said Ms Heard had not shown signs of PTSD and had displayed signs of two personality disorders.

Dr Hughes also disputed that Ms Heard suffered from personality disorders.

She is the first witness to be brought by Ms Heard’s legal team after Mr Depp’s lawyers rested their case earlier on Tuesday.

Ms Heard’s team applied to have the case dropped, but the motion was denied by judge Penney Azcarate, who said the standard for dismissing a case at this point in the trial was extremely high.

Ms Heard is also expected to take the stand in the trial, which is taking place at the Fairfax County District Courthouse in Virginia, and is expected to last a total of seven weeks.

Source: Press Association