On the November 19 airing of SBS's 'One Night TV Entertainment,' the three judges of 'K-Pop Star' bickered back and forth displaying their close relationship they had built up through the program. 

During the interview, J.Y. Park exposed the true side of musician Yoo Hee Yeol, drawing out laughter. 

J.Y. Park introduced himself as the person who was taking on the role of "antis" while Yoo Hee Yeol said, "I'm Yoo Hee Yeol taking on the role of tears." Yang Hyun Suk added, "I'm not really good at this... I'm Yang Hyun Suk taking on the role of center." 

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Then, J.Y. Park said, "When the camera is off, he [Yoo Hee Yeol] acts like he's a big shot conglomerate. When the camera goes on, (he says things like) 'hope of the people...' One day his dual-personality is bound to come out on air." 

Yoo Hee Yeol refuted, "Of course, the conglomerate would scheme..." and added, "Don't you think that a turtleneck and a vest is quite inappropriate in the middle of winter," poking fun at J.Y. Park's unique fashion.