Leona Lewis News

An American Idol insider has leaked a spoiler regarding one of this season's star performers: British singer Leona Lewis, winner of England's Idol equivalent, The X Factor.

“We always like to invite established guests onto the show to give the contestants an idea of the level they need to reach. Leona, with her incredible voice, fits the bill perfectly,” said the source.

The London lass, 22, whose album "Spirit" became the fastest selling UK debut ever, is dead set on establishing herself in the States in 2008.

“It’s really exciting but I’m just taking one step at a time," she recently said. "It’s a fresh start for me over there because they won’t know me from X Factor... It’s a new challenge but one that I’m excited about.”

Simon Cowell is set on promoting his new favorite singer.

The American Idol judge will be bringing X Factor winner, Leona Lewis, to the States for a guest appearance on the FOX show's sixth season, slated to begin January 16.

Since winning the hit show - Britain's equivalent to American Idol - the 21-year-old singer has dominated the UK music world. She's remained atop the charts overseas over veteran competition such as U2 and Pink Floyd.

Cowell, who is the Leona's manager, has been comparing his protégée to American divas such Whitney Houston and Mariah Carey.

However, it is unlikely the starlet will perform her current single. How come? Because it's actually "A Moment Like This," the track made famous by former American Idol winner, Kelly Clarkson.