On December 21st, PSY held his 2013 Psy Concert All Night Stand (2013 Psy Concert Gymnastics On A Moonlit Night) at Seoul Olympic Park Stadium.

Unexpectedly, PSY had a stage when he appeared in a red tight outfit and barefooted performing Sunmi's "24 Hours". The main point of the performance was the hip-shake dance and he did it enthusiastiscally, which brought much laughter to the audience at the concert.

PSY will continue to perform at his concerts at Seoul Olympic Park Stadium until December 24th