Chrystal Soo Jung better known by the mononym Krystal, is an American and South Korean singer and actress based in South Korea. Krystal was born as Chrystal Soo Jung in San Francisco, California, where her family settled from South Korea in the 1980s. She debuted in 2009 as a member of South Korean girl group f(x) and has further participated in S.M. Entertainment’s project group S.M. The Ballad. Aside from group activities, she also participated in various television dramas such as High Kick 3 (2011–12), The Heirs (2013), and My Lovely Girl (2014).
In 2015, Krystal was cast, along with actor Seo Jun-young in a 10-minute film entitled, Listen To My Song for W Korea’s 10th anniversary. Krystal was also cast in an upcoming Chinese movie, titled Unexpected Love along with EXO’s Lay. On November 28, a S.M. Entertainment representative announced that Krystal has been cast as the female lead for the Chinese drama Graduation Season. On April 1, 2016, Krystal was confirmed to be in a relationship with Kai, a member of labelmate boy group EXO.