JAY-Z's 40th birthday celebrations have been continued - the rapper has scored a fourth week at the top of the U.S. singles chart with Alicia Keys.
The pair's Empire State of Mind kept Lady GaGa's Bad Romance from the number one spot for another week, while Ke$ha stays put at three with Tik Tok.
The cast of hit TV series Glee scores another hit with their rendition of Wham's Last Christmas, which is the new countdown's highest debut - at 63.
The festive tune gives the singers their 21st Billboard Hot 100 hit this year.