Jay-z & Keys Rule The U.s. Pop Charts

The couple's Empire State of Mind held onto the Billboard Hot 100's top spot, keeping Lady GaGa's Bad Romance from number one - her latest hit jumped up nine spots to two.

Former number ones from Owl City and Jason DeRulo both slip a spot to numbers three and four, respectively, on the new countdown.

And it's a good week for John Mayer - after debuting his new album, Battle Studies, at the top of the album charts on Wednesday (25Nov09), the singer/songwriter's duet with Taylor Swift is the Hot 100's top debut - they're Half of My Heart enters the countdown at 25.