Singer Seo In Young revealed her infamous 30cm shoes while she was on the January 8th episode of MBC's "Quiz to Change the World." The MCs asked her, "We heard that you wear heels even in your home, is that true?" Seo In Young answered, "I wear heels while picking my outfit in the morning.� The tallest shoes I have are the 30cm ones we made recently." The singer then brought out the sneakers that were supposedly 30cm in height.� Gagwoman Jo Hyeryun tried them on for herself and put the studio in a laughing fit when she stood evenly against MC Kim Gura, who is 184 cm tall. Source + Photos: Newsen