Dawn Richard, a former member of Sean “Diddy” Combs’ musical trio and the girl group Danity Kane, is set to testify against the rap mogul on the fourth day of his sex trafficking trial.

Combs, 55, is being tried on charges that he exploited his status as an entertainment executive to force women into drug-fueled "freak-offs" with male sex workers and engaged in other abusive acts against people who relied on him for their careers.

Sean “Diddy” Combs ... under a gag order until a federal trial scheduled for May, claiming a "deluge of improper pretrial publicity that is undermining Mr. Combs’s right to a fair trial.”

Combs, who then performed as Puff Daddy, released his 1997 debut album, “No Way Out,” on his Bad Boy Records label. According to Diddy, the album was heavily inspired by the March 9, 1997 shooting death of Diddy’s close confidant and Bad Boy artist Notorious B.I.G.

The sex-trafficking trial against former rapper Sean "Diddy" Combs began on Monday ... with her mother about the severity of the event in order to protect her and keep her away.

The final round of jury selection will begin Monday in the trial of Sean “Diddy ... in order for opening arguments to begin on time. If he is found guilty on all charges in the case, Combs ...