Alex and Sierra performed “Say My Name” by Destiny’s Child on The X Factor USA 2013 Top 6 Live Show, Wednesday night, December 4, 2013.
Here’s what the judges have to say about their performance.
Simon Cowell: I get the feeling that I’m looking at winners here.
Paulina Rubio: I am so much into your love story.
Kelly Rowland: You guys pulled that off. Sierra you have all that sass.
Demi Lovato: I felt you were nervous, but OMG, Sierra you’ve come out of your shell. I want to see you in the finals.