'Superstar K4' Roy Kim and Yoo Seung Woo showed friendship that overcame age gap.

Roy Kim and Yoo Seung Woo's friendship was shown through Mnet 'Superstar K4' aired today through a staff members' Twitter.

The staff member said, "Breaking news from Superstar K! Roy Kim's naughty hands? (They really seem to be in love)", revealing pictures of the two from rehearsal.

In the pictures, Roy Kim and Yoo Seung Woo are filming in a friendly manner. Roy Kim is hugging Yoo Seung Woo from the back, attracting much attention. The two are currently sharing rooms in the dormitory for the show, and they were showing friendship that overcame their age gap.

The two also showed a couple dance in 'Superstar K4'. The title of the picture was 'The dance that only Yoo Seung Woo and Roy Kim can do'.

Photo Credit: Superstar K4 Twitter