Singer Brian Joo made a surprise transformation into Lady Gaga for his latest performance on 'Immortal Song 2'. For this upcoming week's broadcast of KBS 2TV's 'Immortal Song 2', Brian was challenged to sing�Jung Hoon Hee's "That Person Is Stupid". For his remake, Brian added a strong dance beat to give the song a fresh, clubbing feel. Brian revealed, "This stage will see a male version of Lady Gaga. I will show you some real club music." For his performance, Brian wore Lady Gaga's signature rhinestone-studded sunglasses and a leather jacket. He also brought up back-up female dancers and a rapper, resulting in a stage that electrified the audience. Afterwards, Jung Hoon Hee gave him a round of applause, saying, "I was able to feel your youth and it was a very exciting stage." Brian's colleagues (who were backstage) stated, "It was a fitting stage for Brian" and "It was such a colorful stage". Be sure to check out Brian's hot performance on 'Immortal Song 2' on December 17th! Source: Star News via Nate