Leona Lewis is set to collaborate with Kings of Leon after both acts expressed their mutual respect for each other, it's been reported.

It's claimed that The X Factor 2006 winner will team up with the Followills on a track to be included on the deluxe version of her new album 'Echo'.

The dubious source quoted by Perez Hilton also claims that former Take That dancer Robbie Williams is singing two songs with Lewis.

The source says: “"Leona is incredibly proactive. She knows what she wants and where she's heading and is thrilled with these developments. She loves Robbie - they're just going to go in the studio and see what comes out.”

He/she continued: "The Kings of Leon collaboration came about through Leona herself. Caleb and the guys are huge fans.

(by Scott Colothan)