It has been revealed that Mnet's 'Superstar K4' contestant Roy Kim practiced the choreography for his latest performance of Love & Peace's "It's Been A Long Time" over 100 times a day.

On the November 9th broadcast of 'Superstar K4', Roy Kim entered the stage with his red suit and sunglasses on and rocked the house with his energetic performance, leaving fans and viewers impressed by his dance skills.

Judge Lee Seung Chul commented, "It seems you don't need any mentoring anymore." Yoon Mi Rae also stated, "Roy Kim is not at all nervous anymore and enjoys the stage." The dance team that worked with Roy Kim for this stage also complimented him, saying, "Roy Kim had a lot of ambition this time. I heard that he practiced his choreography over 100 times each day. Roy Kim not only practiced in the practice room, but also practiced 100 times in his home. It's very praiseworthy."

Contestant Jung Joon Young also revealed, "Roy Kim is always humming, and I saw him practicing the choreography by himself. He practiced by himself until midnight every night." DickPunks' Kim Tae Hyun shared, "Roy Kim shows a new side each time. He is a scary friend."

Congrats to Roy Kim for advancing into the 'Top 2'! Tune in for the 'Superstar K4' finale on Friday, November 23.

Check out a fan cam of his performance below!