Chris Brown and Rihanaa

Chris Brown and Rihanna showed a practically united front over the weekend when they took to their Twitters to tell their fans to move on from their 2009 assault incident.The conversation on the 2009 assault between Chris and his girlfriend at the time, Rihanna, started when one of her fans asked her to avoid speaking about the incident, MTV News reports.“AGREED!” Rihanna Tweeted in reply. “