Music
Rex Features
The American singer, who was briefly knocked off the top spot by Australian Idol winner Wes Carr, extends her second stint at the head of the chart to three weeks.
Meanwhile, Kings of Leon's 'Use Somebody' climbs two places to second and Beyoncé moves up three slots with 'Single Ladies (Put A Ring On It)'.
Wes Carr slips six places to eight with 'You', while Jessica Mauboy rises four spots to tenth.
The top ten Australian singles in full (click where possible for our reviews):
1. (1) Lady GaGa: 'Poker Face'
2. (4) Kings of Leon: 'Use Somebody'
3. (3) T.I. Feat Rihanna: 'Live Your Life'
4. (5) The Ian Carey Project: 'Get Shaky'
5. (6) Beyoncé: 'Single Ladies (Put A Ring On It)'
6. (7) Britney Spears: 'Circus'
7. (6) Kings of Leon: 'Sex On Fire'
8. (2) Wes Carr: 'You'
9. (10) Katy Perry: 'Hot N Cold'
10. (13) Jessica Mauboy: 'Burn'
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