'Australia' retains Oz top spot

Baz Luhrmann's Australia has held on to the Aussie box office top spot for a second week.

Nicole Kidman and Hugh Jackman's epic squeezed out competition from High School Musical 3, which debuts at two.

Elsewhere, festive comedy Four Christmases charts at four, while cult vampire romance Twilight enters at nine.

The top ten in full:

1. (1) Australia - $2,724,664
2. (-) High School Musical 3: Senior Year - $2,616,626
3. (2) Quantum Of Solace -$1,641,493
4. (-) Four Christmases - $1,168,578
5. (3) Big Stan - $210,021
6. (4) Quarantine - $149,950
7. (7) Burn After Reading - $71,197
8. (5) Sex Drive - $61,793
9. (-) Twilight - $45,855
10. (6) Nights In Rodanthe - $35,968