Jay-Z, Keys spend four weeks at US No.1

Jay-Z and Alicia Keys have secured a fourth week on top of the US singles chart with 'Empire State Of Mind'.

The pair held off competition from Lady GaGa and Ke$ha, who remain in second and third place respectively.

Notable gains outside the top ten come from Jay Sean, who climbs from 25 to 19 with Sean Paul collaboration 'Do You Remember', and Taylor Swift, whose track 'Fifteen' advances from 27 to 23.

Meanwhile, the cast of Glee's rendition of 'Last Christmas' is the highest new entry at 63, followed by Daughtry's 'Life After You' at 67.

The top ten singles in full (click where possible for our reviews):

1. (1) Jay-Z ft. Alicia Keys: 'Empire State of Mind'
2. (2) Lady GaGa: 'Bad Romance'
3. (3) Ke$ha: 'Tik Tok'
4. (5) Iyaz: 'Replay'
5. (4) Owl City: 'Fireflies'
6. (6) Jason Derulo: 'Whatcha Say'
7. (8) David Guetta ft. Akon: 'Sexy Bitch'
8. (7) Black Eyed Peas: 'Meet Me Halfway'
9. (10) Britney Spears: '3'
10. (9) Jay Sean ft. Lil Wayne: 'Down'