IU "Smiles and Fairies."

Singer and actor IU (Lee Ji-eun) laughs at the Netflix original series "Persona" production report held at the Conrad Hotel in Yeouido, Seoul on the morning of the 27th.

About IU

Lee Ji-eun, also known by her stage name IU, is a South Korean singer-songwriter, record producer and actress. She signed with LOEN Entertainment in 2007 as a trainee and debuted as a singer at the age of fifteen with her first mini album Lost and Found.  Wikipedia