Krystal was born Soo Jung in San Francisco, California, and her American name is Crystal Jung, where her family settled in the 1980s. She is the younger sister of Jessica Jung, a singer and former member of Girls' Generation. In 2000, when she was 5 years old, her family settled in South Korea and she and her sister auditioned for SM Entertainment and were accepted and trained until Jessica debuted in Girls' Generation in 2007 and Krystal debuted in f(x) in 2009. Krystal completed her studies in South Korea and graduated from Sungkyunkwan University, Department of Film and Theater.
| Episode |
문명특급 f(x)부터 키스앤크라이까지 야무지게 살았던 크리스탈 과거 보고 크게 놀라는 임수정 전여빈 |
2023 |
| Episode |
플레이어 TBA |
2024 |
| Episode |
런닝맨 R팝스타 |
2014 |
| Episode |
런닝맨 핑크빛 웨딩 레이스! |
2012 |
| Episode |
런닝맨 탈락시키고 싶은 멤버에게 투표하라! |
2012 |
| Episode |
투유 프로젝트 - 슈가맨 Unknown |
2015 |
| Episode |
문명특급 1000만 정수정 선생이 임수정 전여빈 재재에게 알려주는 핫써머에 인생샷 건지는 비법 |
2023 |
| Episode |
내가 죽기 일주일 전 5회 |
2025 |
