Singer IU made a visit during a recording of 'Birth of a Great Star 2'. During the latest recording of MBC's 'Birth of a Great Star 2', IU visited the mentor school for support, showing off her close friendship with mentor Yoon Sang. When speaking about IU, Yoon Sang stated, "She's a very loyal kid" - expressing his happiness. With the final evaluation approaching, the level of tension and stress among the trainees was very high, but IU's visit lightened up the atmosphere. IU, who revealed that she enjoys 'Birth of a Great Star' stated, "I visited because I was curious about Yoon Sang's proteges." The trainees gave their full effort as they showed their superior skill of memorizing lyrics that they initially had difficulty with. IU praised the trainees, "Today, my ears received much blessings." IU's visit to the Yoon Sang mentor school will be aired on January 6th at 9:55pm KST. Source: My Daily via Nate