Music
Rex Features
Ke$ha knocks Black Eyed Peas' 'Meet Me Halfway' into second spot, while Lady GaGa climbs 13 places to third with 'Bad Romance'.
Jay Sean and Lil Wayne climb to six with 'Down' and 30H!3's collaboration with Katy Perry 'Starstrukk' moves up to eight.
Elsewhere, Foo Fighters debut at number one on the albums chart with their Greatest Hits collection.
The Top 10 singles in full (click where possible for our reviews):
1. (4) Ke$ha: 'Tik Tok'
2. (1) Black Eyed Peas: 'Meet Me Halfway'
3. (16) Lady GaGa: 'Bad Romance'
4. (2) Vanessa Amorosi: 'This Is Who I Am'
5. (3) David Guetta ft. Akon: 'Sexy Bitch'
6. (9) Jay Sean feat Lil Wayne: 'Down'
7. (5) La Roux: 'Bulletproof'
8. (13) 30H!3 Feat Katy Perry: 'Starstrukk'
9. (6) Miley Cyrus: 'Party In The USA'
10. (8) Britney Spears: '3'
Singles Reviews
DJ Fresh ft. Rita Ora: 'Hot Right Now' reviewThe DJ's latest effort lacks the magic of its predecessor.
The Sound
Playlist: 10 tracks you need to hearIncluding Katy Perry, Will Young and Nicki Minaj.
Music Interviews
Cher Lloyd: 'LA Reid loves scrambled eggs'Digital Spy finds out what the singer has been up to in America.
Album Reviews
The Ting Tings: 'Sounds From Nowheresville' reviewThe duo overcomplicate matters on their second studio album.
