Question: who is lee ji eun?
Answer: Lee Ji-eun (Korean: 이지은; Hanja: 李知恩; born May 16, 1993), known professionally as IU (Korean: 아이유), is a South Korean singer-songwriter and actress. She signed with Kakao M (formerly LOEN Entertainment) in 2007 as a trainee and debuted as a singer at the age of fifteen with her album Lost and Found.