Singderella (Korean: 싱데렐라) is a South Korean variety show. The show was originally aired every Thursday at 23:00 (KST) on Channel A, but changed to air every Friday at 23:00 (KST) as of January 13, 2017. Originally, after receiving the viewers' stories, and according to the story, the cast try to guess their ranks in Karaoke. But as of February 24, 2017, the show's concept changed and the number of cast decreased to four with three originals Lee Soo-Geun, Moon Hee-Joon, Kim Hee-chul and new addition Kim Sung-kyu. The show's second season concept is that the cast and their special guests battle it out through a singing competition, where the winning performers are rewarded with the ingredients needed to make late-night snacks.