Singer Lee Bon, who recently starred in the MBC entertainment program 'Infinite Challenge' special episode 'Saturday Saturday Is a Singer' shared photos of herself wearing a winter hat. Last week, Lee Bon shared photos of herself wearing a fur winter hat and a black turtleneck sweater. Lee Bon starred in the MBC entertainment program 'Infinite Challenge' special episodes 'Saturday Saturday Is a Singer,' which aired on December 3, 2014, and January 3, 2015. She hosted the special 'Saturday Saturday Is a Singer with Infinite Challenge members Park Myung Soo and Jung Joon Ha. In related news, on the special 'Saturday Saturday Is a Singer' episode of the popular MBC entertainment program 'Infinite Challenge,' the members recruited popular singers from the 1990s and hosted a stage performance, showing popular songs from the 1990s. The MBC entertainment program 'Infinite Challenge' is one of the popular, long lasting entertainment programs in Korea. It features the Infinite Challenge members Ha Ha, Park Myung Soo, Yoo Jae Suk, Jung Joon Ha, and Jung Hyung Don.