Leona Lewis won the third series of The X Factor in 2006, and was mentored by Simon Cowell. Leona released her debut single, a cover of Kelly Clarkson's "A Moment Like This" on 20 December 2006, which is also the most downloaded song in 2006.
If you are a fan of Leona Lewis, you may want to check her official website - www.leona-lewis.net/