On December 11, Lee Joongi posted a photo of himself with IU on his Instagram, showing support and admiration for his former co-star IU.
Then he added, "You must've feeling empty after ending that long journey of yours but your audience had left feeling full thanks to you. Thank you for inviting me to this great concert!"
IU successfully wrapped up her 'IU 2017 TOUR CONCERT PALETTE' with many fans and celebrity guests supporting her.
(Credit= SBS Scarlet Heart: Ryeo, 'actor_jg' Instagram)