Krystal Jung is a South Korean singer and actress, born on October 24, 1994, in San Francisco, California. She is best known as a member of the popular girl group f(x), which debuted in 2009 under SM Entertainment. Krystal has gained recognition for her versatile talents in music and acting, appearing in various television dramas and films. In addition to her music career, Krystal has starred in several successful dramas, including The Heirs and My Lovely Sam Soon. She is admired for her fashion sense and has worked as a model for various brands. Krystal continues to be a prominent figure in the South Korean entertainment industry.