With Christmas around the corner, carol singers are out in force. But it's pop singers around the world who have promoted their festive singles or albums, and there's been the annual race to the top of the UK charts.

Christmas came early for 'X-Factor' winner Alexandra Burke - she officially scored the UK's Christmas number one with her debut single.

Christmas came early for 'X-Factor' winner Alexandra Burke - she officially scored the UK's Christmas number one with her debut single.

Her version of Leonard Cohen's 'Hallelujah' has broken records - selling 576,000 copies to become the fastest-selling single by a solo female artist.

But the success of 'Hallelujah' doesn't stop there because it's not only in pole position but at number two in the UK charts as well.