 BBC News | Watch Rihanna Perform The Day Before Chris Brown Arrest MTV.com - Pop star sang three songs at Timbaland's pre-Grammy party, with Brown in the crowd. By Shaheem Reid "Bum bum be-dum, bum bum be-dum bum," Rihanna's background singers sang to kick off Rihanna's performance of "Disturbia. Bruised Rihanna goes into hiding Chris Brown vs. Rihanna: Is it Paris Hilton's fault? |