The July 12 episode of the idol show featured Yoon Jong Shin and his ''slaves'' or artists under his label.�

During the talk, Jung Hyung Don revealed that he was a huge fan of Yoon Jong Shin's songs. He reminisced the old days and said, "There's a song titled 'Girl on the Second Floor'. I really loved that song."

He then requested Yoon Jong Shin to sing the song live�at the studio. Yoon Jong Shin happily accepted his request and sang for the MC.�

SEE ALSO: K-netizens say BABYMONSTER's Ahyeon has the potential to become the next Jennie

After the performance, Jung Hyung Don surprised all by showing tears. Defconn�pointed out that it's the first time Jung Hyung Don has ever cried on 'Weekly Idol' and commented that the song must be bringing back old memories for Doni.�

Yoon Jong Shin lightened up the mood as he jokingly commented, ''This is just what happens when you meet a celebrity.''

You can check out Jung Hyung Don's teary moment in the clip above.�