The most talked about couple for the last three weeks, Rihanna and Chris Brown are back together, People.com reports.Chris Brown apologized publicly in a statement released on February 15 saying that he feels sorry and saddened for what had "transpired" between him and Rihanna the day before the Grammys. The R&B singer was then arrested for assaulting Rihanna and leaving her with visible injuries on her face.Now it looks like the couple has