Lizzy (리지) is a Korean pop singer. She was a member of the girl group After School and of the sub units Orange Caramel and A.S. BLUE. She left Pledis Entertainment as her contract ran out on the 30th of April 2018. Lizzy is now signed with Celltrion Entertainment. She is a member of the one-time unit Mystic WHITE. She made her debut in After School with the release of their third single "Bang!". She later made her solo debut in January 2015 with the digital single "Not An Easy Girl" (쉬운 여자 아니에요).