Music
Guy Sebastian bounces back to two with his Eve collaboration 'Who's That Girl', while Black Eyed Peas slip to three with former chart-topper 'The Time (Dirty Bit)'.
The only new track in the top ten comes from Aussie pop singer Jessica Mauboy, who jumps from 12 to ten with 'Saturday Night', notching up her fourth top ten hit in her homeland.
Outside of the top ten, notable new entries come from Alexis Jordan, who debuts at 25 with 'Happiness', and Michael Jackson, whose Akon collaboration 'Hold My Hand' lands at 37.
The top ten singles in full (click where possible for our reviews):
1. (1) Bruno Mars: 'Grenade'
2. (3) Guy Sebastian ft. Eve: 'Who's That Girl'
3. (2) Black Eyed Peas: 'The Time (Dirty Bit)'
4. (4) Katy Perry: 'Firework'
5. (5) Chris Brown: 'Yeah x3'
6. (7) Ke$ha: 'We R Who We R'
7. (6) Far East Movement: 'Like A G6'
8. (9) Pink: 'Raise Your Glass'
9. (8) Rihanna: 'Only Girl (In The World)'
10. (12) Jessica Mauboy: 'Saturday Night'
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