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Choi Soo-young (Hangul: 최수영; born February 10, 1990) is a South Korean singer and actress, and member of the girl group Girls' Generation. She made her singing debut in the Korean-Japanese girl group, Route 0, which was active from 2002 until 2003. In 2007, she became a member of the K-pop girl group, Girls' Generation, with the roles of a lead dancer, lead rapper, and sub-vocalist.

In her acting career, Sooyoung has had roles in The 3rd Hospital (2012), Dating Agency: Cyrano (2013), My Spring Days (2014), Squad 38 (2016), and Man in the Kitchen (2017–2018).