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Jan 4, 2015 · Here's a playlist of all their performances in order :) ENJOY!
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Who is Alex & Sierra on X Factor?
Who are Alex & Sierra?
Where did Alex & Sierra audition?
Does Paulina Rubio play Alex on X Factor USA?
Alex & Sierra were an American duo consisting of Alex Kinsey (born September 8, 1991) and Sierra Deaton (born February 11, 1991), who won the third and final season of The X Factor US. They were mentored by Simon Cowell. Their debut album It's About Us was released on October 7, 2014, on Columbia Records. [3]
- 2013–2017