Singer Rihanna scores her fourth UK number one single after her track Only Girl (In The World) climbs one place to knock Cheryl Cole off the top spot.

Fashion designer Dame Vivienne Westwood is to give the Brit award a new look as part of a number of changes lined up for the annual music event.

Lady Gaga wins three prizes at MTV's Europe Music Awards in Madrid, while UK artists including Alexandra Burke fail to make an impression.