Alex & Sierra: 'X Factor' Top 12 Performance - Watch Now!

Alex & Sierra serenade the audience during the Top 12 X Factor show on Wednesday night (November 13) in Los Angeles.

The real-life couple performed their own version of Robert Palmer‘s 80s hit “Addicted to Love.”

PHOTOS: Check out the latest pics of X Factor

“tonight’s the night yay! vote if you can, even if it’s not for us! (but it’d be nice if you could spare a few for us too hehehe) ~A&S,” they tweeted before the show.

Watch Alex & Sierra perform below!