SEE ALSO: 2013 K-Chart + Performances from Dec. 20th 'Music Bank' year-end special!

Before they went on stage, they took a picture together and uploaded it on miss A's official Twitter with the message, "Suzy & Junho's Special Stage!  Please watch their sweet performance on KBS 2TV's 'Music Bank' today!"

In the picture, the two of them look like close friends as they lean in together for a cute picture!  If you haven't already, make sure to watch their performance here.