Simon Cowell Gushes Over Alex & Sierra + Shares Favorite Songs of 2013!

December 19, 2013 AT 5:49 PM
We caught up with Simon Cowell on the ‘X Factor’ red carpet! Simon gushed about working with Alex & Sierra, as well as what a surprising ‘X Factor’ season it’s been. Simon also revealed his favorite songs of 2013! Thanks Simon!