Leona Lewis will join Robbie Williams to record two tracks, it has emerged.

The X-Factor winner is seemingly excited about the duet.

“Leona is incredibly proactive. She knows exactly what she wants and where she’’s heading and is thrilled with these developments,” the Mirror quoted a source as saying.

“She loves Robbie and thinks he’s a real laugh – and the love-in is mutual. They”re just going to go in the studio and see what comes out.

“The track will coincide with her arena tour, with the possibility that Robbie could appear on stage.”

Apparently, X-factor mogul Simon Cowell is the man who is pushing the project.

The insider added: “Simon is really keen on the idea and hopes it will help Robbie come on board with the X factor.”

Lewis will also sing with Kings of Leon frontman Caleb Followill.

The source added: “The Kings of Leon collaboration came about through Leona herself. Caleb and the guys are huge fans.”