Famous Sierra From X Factor Ideas. The pair was seriously goals until news hit the web in 2017 that sierra deaton and alex kinsey had officially split and went their separate ways. Web and on thursday night (december 19), alex & sierra were crowned, joining previous x factor winners melanie amaro (season one) and tate stevens (season two).

However, years after being together, the pair announced their break up. Alex and sierra, winners of the x factor season 3, are no longer together romantically or musically. Kaykay blaisdell for much of her career, sierra deaton has been defined by someone else.