Music
The American Idol winner's duet with Chris Brown, 'No Air', knocked Cilmi into second place.
Elsewhere, Nelly entered the charts at number nine with 'Party People', while Flo Rida went straight in at number ten with 'Elevator'.
The top ten in full:
1. (2) Jordin Sparks and Chris Brown: 'No Air'
2. (1) Gabriella Cilmi: ‘Sweet About Me’
3. (6) Vanessa Amorosi: 'Perfect'
4. (3) Flo Rida ft. T-Pain: 'Low'
5. (4) Rihanna: 'Take A Bow'
6. (5) Madonna ft. Justin Timberlake: '4 Minutes'
7. (7) Usher ft. Young Jeezy: 'Love In This Club'
8. (8) Estelle ft. Kanye West: 'American Boy'
9. (-) Nelly: 'Party People'
10. (-) Flo Rida Feat Timbaland: 'Elevator'
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