Despite claims that she fears for her life, the volatile beauty has agreed to testify about a gift of blood diamonds in the war crimes trial of former Liberian President Charles Taylor at The Hague, Netherlands.
Campbell's London public relations firm released a statement saying she intends to comply with the court's subpoena, the BBC reports, although she has repeatedly said she wants no part of the trial.
At question is whether Taylor gifted the supermodel a large blood diamond during a 1997 reception at the home of former South African President Nelson Mandela.
Taylor is accused of using conflict diamonds to finance atrocities during the bloody 10-year civil war in Sierra Leone.
Campbell's testimony has been requested to provide proof that Taylor actually traded in the conflict stones.
After weeks of speculation on whether Campbell would try to quash or ignore the subpoena, her public relations firm, Outside Organisation, issued a statement confirming her July 29 appearance.
"She is a witness who has been asked to clarify events in 1997," the statement says. "Miss Campbell has made it clear she is willing to help the due process of law."
The firm went on to note: "For avoidance of doubt, she is not being accused of any wrongdoing and is not on trial."
Campbell was circumspect earlier this year when asked about the diamonds during an emotional interview with Oprah Winfrey. She sidestepped direct questions about whether she ever received the gift from Taylor, saying, "I don't want to be involved in this man's case. He has done some terrible things, and I don't want to put my family in danger."
Actress Mia Farrow, whom Campbell allegedly told about the gift, may also testify.
Taylor, who has pleaded not guilty to 11 charges before the United Nations-backed tribunal, has been on trial for two years.
Here's hoping Campbell makes it through her serious testimony without any of her signature outbursts or some kind of profane Lindsay Lohan manicure.
In other legal news, George Clooney is also headed to court over a fake fashion line.