Alexandra Burke - Hallelujah -

By January 2009, it had sold over one million copies, making Alexandra Burke the first British female solo artist to achieve a million-selling single in the UK.

The release of Burke’s "Hallelujah" sparked an unprecedented event in the UK music scene. Music fans, many of whom were critical of The X Factor's commercial nature, launched an internet campaign to propel of the song to the top spot instead. Alexandra Burke - Hallelujah

Burke’s version was an immediate commercial juggernaut, setting several industry milestones: By January 2009, it had sold over one