Lee Jung-hyun (born February 7, 1980), also known by her occasional stage name Ava, is a South Korean pop singer and actress. She was first recognized for her acting abilities with award-winning role in her first film and has been solidified as one of the top international acts from South Korea with her illustrious singing career. Lee is known as "The Queen of Transformation" due to her changing new look for different songs. She is known as one of the first artists who introduced Korean Wave (Hallyu) to China and caused a sensation.Lee married an orthopedic doctor in a private ceremony in 2019. During her appearance on Stars' Top Recipe at Fun-Staurant, her husband, whose face was censored due to privacy concerns, was dubbed as "Baby".

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