Dance trio Cascada have maintained their hold over the UK singles chart, notching up a second week at number one with 'Evacuate The Dancefloor'.
La Roux climb to two with former chart-topper 'Bulletproof', while Michael Jackson slips to three with 'Man In The Mirror'.
Jackson posts a total of 22 singles in this week's top 75 - five down on seven days ago.
Meanwhile, the highest new entry of the week comes from London rapper Chipmunk, who lands at six with 'Diamond Rings'.
'I Gotta Feeling' by Black Eyed Peas, currently number one in the US and Australia, leaps from 39 to ten.
Outside of the top ten, Jordin Spark rebounds from 20 to eleven with 'Battlefield', while Arctic Monkeys debut at 12 with 'Crying Lightning'.
The top ten singles in full:
1. (1) Cascada: 'Evacuate The Dancefloor'
2. (3) La Roux: 'Bulletproof'
3. (2) Michael Jackson: 'Man In The Mirror'
4. (5) Lady GaGa: 'Paparazzi'
5. (4) David Guetta ft. Kelly Rowland: 'When Love Takes Over'
6. (-) Chipmunk: 'Diamond Rings'
7. (6) Black Eyed Peas: 'Boom Boom Pow'
8. (8) Keri Hilson ft. Kanye West & Ne-Yo: 'Knock You Down'
9. (7) Agnes: 'Release Me'
10. (39) Black Eyed Peas: 'I Gotta Feeling'
Source: Official Chart Company