Alex & Sierra 'The X Factor' Season 3 Live Performance of Sara Bareilles Song 'Gravity', Watch Here (VIDEO) 

"The X Factor" finale is next week and the popular duo Alex and Sierra try to stay alive for a shot at the finale with their performance of Sara Bareilles' song, "Gravity". 

At the beginning of Wednesday night, there were four artists hoping to make the finale: Carlito Olivero, Alex & Sierra, Jeff Gutti and Restless Road. Alex & Sierra did advance to othe finals and Restless Road was eventually the group that got sent home. Carlito was the surpise choice to make it into the finale and the country band experiment that Simon was working with has come to a close. 

So the Top 3 contestants for next weeks finale are set! Who do you think has the best chance to win Season 3?

'The X Factor' US is currently in Season 3 with judges Simon Cowell, Demi Lovato, Kelly Rowland and Paulina Rubio. They divide the talent up into four categories: Boys, Girls, Over 25s and Groups. 

What did you think of Alex and Sierra's performance of 'Gravity' on 'The X Factor?