Flo Rida has topped the US Billboard Hot 100 for a ninth consecutive week.
The rapper's hit Low remained on top after a week when there was only one new entry in the top ten.
Chris Brown's With You remained in second place in the chart, while Rihanna's Dont Stop The Music stayed at three.
Alicia Keys' No One also stayed in the same position at four. Sara Bareilles' Love Song and Timberland's Apologize swapped places in fifth and sixth.
Snoop Dogg, Sean Kingston and Buckcherry charted at seventh, eight and ninth respectively.
Webbie was the only new entry on the top ten with Independent climbing up from 13 to ten.
In the album Billboard 200 chart Jack Johnson remained at number one for the second week in a row with Sleep Through the Static.
Britain's Amy Winehouse shot up the chart with Back to Black climbing from 24 to two after her success in the recent Grammy Awards.
Alicia Keys' As I Am album mirrored her single's chart position at three.
A compilation album of the 2008 Grammy nominees charted in fourth position, while Herbie Hancock's album of the year River: The Joni Letters moved up from 159 to five.
The Juno soundtrack stayed in sixth with 53,000 albums sold.
Taylor Swift, Sheryl Crow, Mary J. Blige and the Step Up 2 soundtrack made up the top ten.