Alex & Sierra
Top Alex & Sierra albums
Top Alex & Sierra lyrics
Alex & Sierra
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Alex & Sierra
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All I Want For Christmas Is You
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Alex & Sierra
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Alex & Sierra
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Alex & Sierra
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Alex & Sierra biography
Alex & Sierra are an American pop 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 USA. They were mentored by Simon Cowell and became the first and only group to win the American version of the show.