Rihanna will today speak for the first time about her alleged assault at the hands of Chris Brown, when she takes to the witness stand in an LA courtroom. Despite requests from his lawyers to postpone the hearing, Chris Brown will today have to answer claims that he hit the Umbrella singer. He has already entered a plea of not guilty on all the charges. Rihanna is said by friends to just want the whole thing over with, and she finds the entire incident "humiliating". We will bring you any breaking news on this case as soon as we have it.