Ke$ha holds 'Idol' winner off Oz No. 1

Ke$ha has remained at the top of the Australian singles chart for a fourth week with her debut single 'Tik Tok'.

Australian Idol winner Stan Walker enters at two with his single 'Black Box', pushing Jay Sean down one place to three.

Jay-Z and Alicia Keys climb five places into the top 10 with their duet 'Empire State Of Mind' and Miley Cyrus falls one place to 11 with 'Party In The USA'.

Elsewhere, Lady GaGa debuts at number 29 with her Beyoncé collaboration 'Telephone'. Beyoncé's single 'Video Phone', which also features GaGa, enters in 40th place.

The top 10 singles in full (click where possible for our reviews):

1. (1) Ke$ha: 'Tik Tok'
2. (-) Stan Walker: 'Black Box'
3. (2) Jay Sean feat Lil Wayne: 'Down'
4. (3) Black Eyed Peas: 'Meet Me Halfway'
5. (6) Lady GaGa: 'Bad Romance'
6. (4) 30H!3 Feat Katy Perry: 'Starstrukk'
7. (12) Jay-Z ft. Alicia Keys: 'Empire State Of Mind'
8. (7) Rihanna: 'Russian Roulette'
9. (5) Vanessa Amorosi: 'This Is Who I Am'
10. (9) Britney Spears: '3'