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Hyolyn
Hyolyn (효린), born Kim Hyo-jung (김효정) is a South Korean singer of the girl group Sistar.
Known For: Acting
Birthday: 1990-12-11
Place of Birth: Incheon, South Korea
Also Known As: 김효정, Hyolyn, Kim Hyo Jung, 효린, Hyorin, 孝琳