Kelly and Amelia Lily perform their duet - The X Factor 2011 Live Final - itv.com/xfactor

The X Factor: Kelly Rowland and Amelia Lily on stage together, can you believe it! As the pair step out into Wembley Arena to perform River Deep, Mountain High, Amelia cannot believe that she's now pals with the Destiny's Child legend. See more at http://itv.com/xfactor Buy Amelia's performances from iTunes: http://bit.ly/rZajFM