Prince Harry and Sir Elton John are among a group of celebrities suing the publisher of the Daily Mail, Mail on Sunday and Mail Online.
The action claims they have “compelling and highly distressing evidence” they have been “victims of abhorrent criminal activity” and “gross breaches of privacy by Associated Newspapers”.
Also in the group is Baroness Doreen Lawrence, David Furnish, Elizabeth Hurley and Sadie Frost, said a statement from law firm Hamlins.
Associated Newspapers has not yet responded to a request for comment by Reuters news agency.
Prince Harry successfully sued Associated Newspapers in the past. with a judge ruling in July that parts of an article in The Mail On Sunday was defamatory.
And in 2021 he accepted an apology and “substantial damages” over false claims he snubbed the Royal Marines after stepping down as a senior royal.
Meghan also won damages following a three-year legal battle against the publisher for printing parts of a letter to her father.