'X Factor' Winners Alex & Sierra on Fame, Their Relationship and Newest Single

"Extra's" AJ Calloway recently caught up with Alex & Sierra, the boyfriend/girlfriend pop duo that won season 3 of "The X Factor USA."

The two were mentored by Simon Cowell and became the first and only group to win the American version of the show.

The duo chatted about their newfound fame after winning, how they make their relationship work, and talked about their latest single, "Scarecrow."

Watch!

Check out the music video for "Scarecrow" below!