IU will be on the 500th episode special of 'Happy Together'.
An insider revealed that IU had filmed the special on April 29th. The special was titled 'I miss you, friend', and the panel had to call a friend who they were close with and invite them to the show. Park Myung Soo called IU, and she came happily even though she was busy with "Palette" promotions.
The episode will air on May 25th, so make sure to tune in.