Leona Lewis & Michael Buble to perform on The X Factor on December 8th

Throughout the Live Shows an outstanding line-up of guest stars will perform. This week there will be exclusive performances from multi-platinum selling soloist and The X 

Factor alumni Leona Lewis as well as Canadian king of swing Michael Bublé.

• Transmission: 
  Sun 08 Dec 2013
• Time: 
  8.00pm - 9.00pm
  
  Watch Live here http://goo.gl/9eYq65  + http://goo.gl/3ihn6i 

Leona Lewis has paid a visit to Sam Bailey in the run up to this week's X Factor show, sparking speculation that Sam could be performing one of the former winner's hits. 

Performances over the weekend will come from former X Factor stars Olly Murs, One Direction and JLS.