Rap and hip-hop still rule at the top of America's Billboard 200 singles chart as Chris Brown's RUN IT! holds on to the number one spot for a fourth successive week.

The track he toppled, Kanye West's GOLD DIGGER, has fallen from two to three, while D4L's catchy LAFFY TAFFY moves up to second spot on the new chart.

Nickelback's PHOTOGRAPH and SOUL SURVIVOR by Young Jeezy round out the top five.