Alexandra Imelda Cecelia Ewen Burke (born 25 August 1988) is a British R&B and pop recording artist who rose to fame after winning the fifth series of British television series The X Factor in 2008. Burke is currently signed to Epic Records, Syco Records and RCA Records.

As the winner of The X Factor, Burke released her debut single, "Hallelujah", that became the current European record holder for single sales over a period of 24 hours, selling 105,000 copies in one day. It was also the top-selling song of the year in the UK, and became the 2008 UK Christmas number one single. By January 2009, UK sales of Burke's version had passed one million copies, a first for a British female soloist.