RihannaTestify.jpgAccording to her attorney, Rihanna will be subpoenaed to testify at Chris Brown's next court hearing.

Attorney Donald Etra says he got the news from the District Attorney's office that they want his client to take the stand.

Etra, says Rihanna will fully cooperate with the request.

It should be a pretty dramatic moment, and it will be the first we've heard Rihanna's version of what happened on the night of the fight with Chris Brown that left the R&B princess bloodied and bruised.

Chris Brown will also be required to attend the proceedings. So Rihanna will have tell her side of the story while Chris is the in the same room.

That courtroom showdown is scheduled for June 22nd.