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X Factor's' Alex & Sierra Break Up as Couple and Musical Duo: 'We Will Cherish Every Memory' | Entertainment Tonight
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Alex Kinsey and Sierra Deaton of pop duo Alex & Sierra perform during their set on NBC's "Today" show in New York June 23, 2014. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT
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Alex Kinsey and Sierra Deaton of the group Alex & Sierra perform on the NBC Today Show at Rockefeller Center in New York City on June 23, 2014. Alex & Sierra were
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