Prince Harry is set to take part in a new BBC documentary, HELLO! understands.
The Duke of Sussex, 42, is understood to have teamed up with Baroness Doreen Lawrence for the project, which is believed to be about race relations in the UK.
Sources confirmed the collaboration to HELLO!, although the documentary is not yet confirmed for broadcast. The extent of Harry's involvement and the air date are also currently unclear.
A source close to the Duke tells us: "He has and will always support Baroness Lawrence in whatever way he can. She asked him to be a part of it, and he was happy to."
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Prince Harry previously teamed up with Baroness Lawrence, the mother of murdered teenager Stephen Lawrence, for his failed court case against Associated Newspapers, the publisher of the Daily Mail.
In a joint statement after their defeat in July, they called the result a "complete and obvious whitewash".
The BBC declined to comment when contacted by HELLO!.
Will Prince Harry be making a documentary about Princess Diana?
It's been widely reported that Prince Harry is also making plans for a second documentary, which will be dedicated to his late mother, Princess Diana.
It's said that Netflix is in the running to make the project, which would be released next year to mark the 30th anniversary of Diana's death in a car crash in Paris in 1997.
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Harry is said to have reached out to friends and family to contribute to the documentary.
His older brother, Prince William, however, is said to have firmly declined any documentary plans, turning down "several offers".
According to The Times, William wants to avoid a situation where he is "pitted against" Harry.
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Friends of William’s told the publication that next year's anniversary is "a difficult situation for him", and that he remains "really emotional" about his mother's death.
The brothers, who were once close, are not believed to have been in touch for around four years.
Prince Harry and Meghan's first UK joint engagement
It comes as the Duke and Duchess of Sussex are preparing for their first joint engagement since returning to the UK.
Harry and Meghan are expected to visit Nottingham on Thursday, which is where they made their first joint appearance after announcing their engagement in 2017.
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Since the pair and their children, Prince Archie and Princess Lilibet, returned to the UK in August after living in the US for six years, they have been involved in a public spat with Buckingham Palace about their status and security detail.
They are expected to visit a number of organisations, including a community recording studio which Harry has been to before, most recently in 2025.
It is being seen as a royal-style engagement, in a similar style to those they completed before stepping down as working royals in 2020.
Last month, a letter sent on the King’s instruction insisted that Harry and Meghan should be viewed as "private citizens" on their return to the UK, which "surprised" the Sussexes.