Owl City knocks Ke$ha off Oz top spot

American electro star Owl City has knocked Ke$ha off the top of the Australian singles chart.

His single 'Fireflies', which reached number one on the US Billboard Hot 100 in October, ends 'Tik Tok's eight-week reign at the top.

Lady GaGa's 'Bad Romance' climbs one place to a new peak of three, while Iyaz jumps five to number 10 with 'Replay'.

Elsewhere, Miley Cyrus's 'Party In The USA' rises six places to 14 and Guy Sebastian's 'Like It Like That' moves up seven to number 19.

The only new entry in the Top 50 comes from Jay Sean, who debuts at 43 with 'Do You Remember?'

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

1. (2) Owl City: 'Fireflies'
2. (1) Ke$ha: 'Tik Tok'
3. (4) Lady GaGa: 'Bad Romance'
4. (3) Stan Walker: 'Black Box'
5. (6) Jason DeRulo: 'Whatcha Say'
6. (8) 3OH!3 ft. Katy Perry: 'Starstrukk'
7. (5) Jay-Z ft. Alicia Keys: 'Empire State Of Mind'
8. (7) Jay Sean feat Lil Wayne: 'Down'
9. (9) Guy Sebastian ft. Jordin Sparks: 'Art Of Love'
10. (15) Iyaz: 'Replay'