Lee Soo-jung Crystal Yi | |
|---|---|
| Also known as | Chai |
| Born | 1993 (age 30–31) |
| Origin | Chicago, United States |
| Genres | |
| Occupations |
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| Years active | 2015–present |
| Labels |
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| Korean name | |
| Hangul | 이수정 |
| Hanja | |
| Revised Romanization | I Su-jeong |
| McCune–Reischauer | I Su-chŏng |
Crystal Yi (born 1993), known by his stage name Chai or her Korean name Lee Soo-jung (이수정), is a Korean-American singer-songwriter. She is best known for winning SBS's K-pop Star 5.