Usher was celebrating as his single Yeah went in at the the top of the charts, after knocking DJ Casper from the number one spot.
Cha Cha Slide slid to number two, meaning Will Young's Your Game could only manage to get to three.
It wasn't a good week for jazz singer Katie Melua. Her single Call Off the Search only made it to 19, and her album of the same name slid to three.
George Michael's new album Patience was top, the last one he plans to release.