Chris Brown still has a lot of explaining to do. It’s been almost two months since the 19-year-old singer was booked for allegedly beating up his girlfriend, Rihanna, the night before the Grammy Awards. He is expected in a California court today to enter his plea. Chris landed in jail on February 8, charged with assault with force likely to produce great bodily injury and making criminal threats after a late-night fight with his longtime girlfriend. Rihanna, who briefly reunited with Chris following the incident, is said to still be cooperating with investigators. However, she is home in Barbados and is not expected to make an appearance at the courthouse.