Actor Kim Soo Hyun visited his friend and singer IU's concert. Actor Kim Soo Hyun visited IU's concert which took place on Thursday in Suh Kang University in Seoul. Actor Kim Soo Hyun greeted the fans at the concert at a surprise event at IU's concert. Kim Soo Hyun did not get up on stage, but he cheered for IU in his seat. When IU recognized him from the stage, the 450 fans at the concert hall cheered. In related news, actor Kim Soo Hyun and singer and actress IU starred in the KBS 2 drama "Dream High" together in 2011.