IU has been spotted filming for SBS's hit show 'Running Man'! Earlier today, news of IU's special guest appearance on the show spread like wildfire as photos were posted onto an online community. In the photos, IU is seen asking a passerby for help. In an additional photo, actor Lee Chun Hee is seen with Lee Kwang Soo at a restaurant. The show's producer, Cho Hyo Jin, revealed through an interview, "We finished filming in Yeoju today. As soon as IU showed up, our male castmates became overwhelmed with joy... The 'Running Man' members were not the only ones excited about her appearance. Our male guest was also focused on her as well... IU seems to be the best these days." Cho continued, "We filmed an 'Actors Special' episode with Lee Chun Hee, Joo Sang Wook, Kim Sung Soo, and Ji Jin Hee. The concept of the episode is 'Killers' Talk'." This episode is scheduled to be broadcast on January 15th. Stay tuned for more updates! Source: Money Today Star News via Nate News