Singer Chris Brown beat up Rihanna.

R&B singer Chris Brown looks like beat Rihanna up quit badly.
Rihanna(20) made a 911 call on Sunday, and Chris Brown(19) was booked on felony criminal threats charges.
When the police arrived, Chris was gone from the scene, but he did turned himself in later, posted $50,000 bail and was released.

Rihanna, who had to be treated by a doctor after the incident,left with bruises and a scratch on her face.

Famous couple was supposed attend the Grammys together on Sunday, but both canceled.

I guess hottest couple is no longer hottest....