'The X Factor' USA 2013 Season 3 VIDEO Recap: Alex & Sierra Make Demi Lovato & Kelly Rowland Cry With Their Performance Of Sara Bareilles' 'Gravity' [VIDEOS]
After their incredible performance last week, Alex and Sierra gave another memorable one on Wednesday's X Factor.
The love birds hit the stage to perform a rendition of Sara Bareilles' song Gravity. The 22-year-old's didn't take their eyes off each other as they belted out the beautiful love song.
The duo received a standing ovation from all four judges - Simon Cowell, Paulina Rubio, Kelly Rowland and Demi Lovato. It also brought two of them to tears.
"You both sound absolutely incredible but what I love most about that performance is, Sierra, you are such a flower and I love watching women grow. And, I love watching you blossom," a teary-eyed Rowland said. "I don't know why I'm emotional."
Lovato, whose eyes also filled with tears, went on to praise the contestants even more.
Alex & Sierra Exude True Love With Their Performance Of Say Something
"That song already has so much meaning to me," she said. "You sing it flawless. I'm not even kidding. That was so beautiful and captivating, that I'm looking at stars. You guys never cease to amaze me."
Their mentor, Cowell, also said how much he loves working with the two and called the experience an "absolute pleasure."
Alex and Sierra also performed Of Monsters and Men's hit Little Talks for their "America's Song Choice" performance.
The couple will find out if they make it to the finals on Thursday night's episode.
"No matter what happens tonight we are extremely grateful to have made life long friends in this experience. proud of everyone," the group tweeted hours before the show airs.
