On Sunday evening, President Yoon Suk-yeol and first lady Kim Keon-hee attended a music concert at the Blue House.
The event was hosted by local broadcaster KBS to celebrate Cheong Wa Dae being opened to the public.
The first couple sat among other attendees.
President Yoon briefly stood up to speak to the audience, saying the Blue House is an excellent cultural asset that it belongs to the people.
More than 377-thousand visitors have toured the former presidential office since it opened earlier this month.