The high-profile defamation case between Hollywood actor Johnny Depp and his ex-wife Amber Heard is poised to get another dash of celebrity, British model Kate Moss is expected to testify.

Moss (48) is scheduled to make an appearance by video on Wednesday.

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The New York Post reported that Moss, who went out with the “Pirates of the Caribbean” star from 1994 to 1997, is being called to the witness stand by Depp’s legal team.

The 36-year-old Heard, during her testimony earlier this month, mentioned a reported incident in which Depp was alleged to have pushed Moss down a flight of stairs.

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That reference provided an opening to Depp’s lawyers to call Moss as a witness to address the allegation.

Depp, 58, filed suit against Heard over an op-ed she wrote for The Washington Post in December 2018 in which she described herself as a “public figure representing domestic abuse.”

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Heard, who had a starring role in “Aquaman,” did not name Depp in the op-ed, but he sued her for implying he was a domestic abuser and is seeking $50 million in damages.

The Texas-born Heard countersued, asking for $100 million and claiming that she suffered “rampant physical violence and abuse” at his hands.

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Depp, during his four days on the witness stand, denied ever striking Heard or any other woman and claimed that she was the one who was frequently violent.

Depp said the tip of the middle finger on his right hand was severed when Heard threw a vodka bottle at him while the couple were in Australia, where he was filming the fifth instalment of the “Pirates” franchise.