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If there is anyone who has discovered the fountain of youth, it would be Korean actress Oh Ji Eun.
At 35 years old, the K-drama star continues to maintain a flawless and youthful appearance that many are jealous of.
According to Koreaboo, Oh looks so young that she was cast to play a high school student in KBS drama 'Unknown Woman!'
Photos circulating online show her totally immersed in her role, in a school uniform and minimal makeup.
Check out more images in the gallery above.