On the December 12th broadcast of MBC's "Yoo Jae Suk and Kim Won Hee's Come to Play", the mentors of "Birth of a Great Star 2" came on the show. During this episode, singer Park Jung Hyun recently revealed that she had taken a trip to a plastic surgeon's office in the past. The mentors spoke about their various complexes that they had to deal with before becoming stars worthy of being a mentor. Park Jung Hyun said, "There was a time in which I visited a plastic surgeon as I was preparing for my debut in Korea." She revealed that she was taken by her agency's CEO to an unknown location, which happened to be a plastic surgeon's office. She confessed that she was brought to tears during her consultation the surgeon. Mentor Lee Seung Hwan also talked about his own complex. He revealed that his trademark side running was started due to this issue. Lee Seung Hwan who recently received much attention for his six-pack abs said, "When I was younger I was so frail that I didn't even weigh 20 kgs (44 lbs). At that time, my hips were crooked and so I was not able to walk or run correctly.  In order to overcome my complex, I began to run sideways." Further details from Park Jung Hyun and Lee Seung Hwan's complexes will be revealed on the broadcast. Source: Sports Seoul via Nate