This Week's Number 1 OMG (feat. will.i.am) Usher Listen to a clip of "OMG (feat. will.i.am)"Download "OMG (feat. will.i.am)" from iTunesLast week: Number 2 weeks on chart = 4highest position = 1Watch the video Number 2 Once Diana Vickers Listen to a clip of "Once"Download "Once" from iTunesNew this week! weeks on chart = 1highest position = 2Watch the video ...
