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(USA Today) -- Chris Brown can't seem to stay out of trouble. Especially pre-Grammys trouble.

Police in Beverly Hills say the singer is uninjured after crashing his Porsche into a wall while being chased by paparazzi around noon Saturday, reports the AP. Brown told police that he lost control of his black sports car during the chase.

Lt. Lincoln Hoshino said police will investigate the incident, and did not know whether the paparazzi in the pursuing vehicles have been identified.

Brown, who is up for best urban contemporary album at tonight's Grammy Awards, appeared in court on Wednesday to defend accusations that he did not complete his community service for the 2009 assault of Rihanna. The couple, who have been in a contentious, on-again, off-again relationship ever since the assault, which took place during an early-morning confrontation the day of the 2009 Grammys, are expected to walk the red carpet together at tonight's awards show.