Kelly Clarkson has offered X Factor winner Leona Lewis some words of advice on the music industry, and how to stay on top.

She tells Leona that she must remained focussed and willing to stand up for herself if she wishes to acheive any longevity in the pop charts.

The 2002 American Idol winner told The Sun: “If I’ve one bit of advice for her it would be that, no matter where you have come from, you must stick to your guns.

“I have had to fight for certain things and you always will in this industry.”