Rihanna is set to testifyÂ during Chris Brown’s felony assault case court date on June 22nd. “The judge advised me that there will be a subpoena for Rihanna as a witness at the prelimary hearing, and she will definitely comply.” Donald Etra told E! NEWS. Chris will also be at the hearing. I guess now we’ll get the full story from Rihanna herself about that infamous night. That is, unless she decides to hold back.