Katy Perry is still riding high at the top of the UK singles chart, with California Gurls.
It's her second week at number one with the track, which features rapper Snoop Dogg and is the first single from her new album, Teenage Dream.
B.o.B's Airplanes featuring Hayley Williams climbed from last week's number 12 to this week's number two.
Enrique Iglesias scored the highest new entry at number four with I Like It, featuring Pitbull.
There's no change at the top of the album chart with Eminem holding on at number one for a second week, with Recovery.