The X Factor USA Wiki
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Sierra Phương-Thảo Deaton (born February 11, 1991 in Philadelphia) is an American singer, songwriter and dancer.

Best known for winning the X Factor US season 3 as part of the duo Alex & Sierra.

Personal Life[]

Deaton is openly bisexual in 2018, Sierra began dating Luke Hemmings. Sierra is also a very good friend to Ashton Irwin, who introduced her to Luke. The couple announced their engagement on June 8, 2021 as confirmed on Instagram.

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