Chris Brown refuses to relinquish No. 1

LOS ANGELES, Dec. 15 (UPI) -- The Billboard Hot 100 singles chart is topped by Chris Brown's "Run It!" for a fifth consecutive week.

Brown's song also is No. 1 on the Pop 100 chart but Mariah Carey's "Don't Forget About Us" is coming on strong in the No. 2 spot of the Hot 100, where it jumps from No. 7 last week.

Carey's "All I Want For Christmas Is You" is No. 1 on the Hot Digital Songs chart, dethroning Eminem's "When I'm Gone."

D4L's "Laffy Taffy" falls one slot to No. 3 on the Hot 100 this week, while Nelly's "Grillz" featuring Paul Wall, Ali and Gipp is No. 4.

Nickelback's "Photograph" drops to No. 5 followed by Kanye West's "Gold Digger" featuring Jamie Foxx at No. 6.

The Pussycat Dolls' "Stickwitu" is No. 7 while Eminem's "When I'm Gone" holds onto No. 8. The Black Eyed Peas' "My Humps" falls to No. 9 but remains No. 1 on the Hot Ringtones chart, while Kelly Clarkson's "Because of You" fills out the Top 10 of the Hot 100 singles chart.

"American Idol" alumnus Kimberley Locke's "Up on the Housetop" holds steady at No. 1 on the Adult Contemporary airplay chart, while Dierks Bentley's "Come a Little Closer" is No. 1 on the Hot Country Songs chart.