Soon after their agencies confirmed that singer IU and actor Lee Jong-suk were in a relationship, the couple wrote individual letters thanking their fans for support and wishing them a Happy New Year.
On December 31, Korean online outlet Dispatch reported that Lee Ji-eun, better known by her stage name IU, and the "Big Mouth" star have been dating for about four months.
Later in the day, Jong Suk's agency High Zium Studio and IU's agency EDAM Entertainment officially confirmed the report about their relationship.