Usher soars to top of charts
Usher has hit the top of the British singles chart with his international success OMG, featuring Black Eyed Peas star Will.i.am.
The US singer toppled This Ain't A Love Song by Scouting For Girls, which had been No 1 for two weeks, in the chart compiled by The Official UK Charts Company.
London rapper Professor Green entered at No 3 with I Need You Tonight. The track, which features Ed Drewett, samples the 1987 INXS hit Need You Tonight.
Another London rapper, Plan B, dropped a place to No 4 with She Said, while US R and B star Kelis was a new entry at No 5 with Acapella.
Lady Gaga's Telephone, featuring Beyonce, slipped two places to No 6.
Disney favourite Selena Gomez And The Scene came in at No 7 with Naturally, while Dirty Picture by Taio Cruz featuring Kesha leapt to No 12 from 40.
In the album chart, Plan B's The Defamation Of Strickland Banks went in at No 1, while Scouting For Girls' Everybody Wants To Be On TV was another new entry at No 2.
Lady Gaga's The Fame slipped to No 3 from the top spot, while US band MGMT came in at four with Congratulations. My World by Justin Bieber fell from three to five.