Alex and Sierra hope to sing with Ed Sheeran on 'X Factor'

Examiner.comAlex and Sierra hope to sing with Ed Sheeran on 'X Factor'Examiner.comRecording artist Ed Sheeran poses in the press room during The GRAMMY Nominations Concert Live!! Countdown To Music's Biggest Night at Nokia Theatre L.A. Live on December 6, 2013 in Los Angeles, California. Photo by Gabriel Olsen/Getty Images.