'Black Swan' retains Aus box office lead

Natalie Portman's Black Swan has retained its place at the top of the Australian box office.

The ballet thriller's $1.8 million haul is enough to hold off competition from James Cameron's Sanctum 3D, which opened in second place with $1.5 million.

The King's Speech climbs up a spot to number three, Coen brothers Western True Grit is in fourth place and superhero adventure The Green Hornet completes the top five.

Elsewhere, the top ten sees new releases The Next Three Days and Faster debut at numbers six and nine respectively.

The box office top ten in full (figures in Australian dollars):

1. (1) Black Swan - $1,829,403
2. (-) Sanctum 3D - $1,595,021
3. (4) The King's Speech - $1,506,753
4. (2) True Grit - $1,504,113
5. (3) The Green Hornet - $952,102
6. (-) The Next Three Days - $898,797
7. (7) The Fighter - $776,496
8. (5) Yogi Bear - $728,325
9. (-) Faster - $672,795
10. (8) How Do You Know - $636,353