Alex & Sierra performed their version of “Say My Name” by Destiny’s Child on The X Factor USA Season 3 top 6 performance show, Wednesday night, December 4.

Alex & Sierra

Judges comments:

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.

See recap and videos of tonight’s performance show here.

Watch the video below.