The Masked Singer is a German reality singing competition television series that premiered on ProSieben on 27 June 2019. It is part of the Masked Singer franchise which began in South Korea and features celebrities singing songs while wearing head-to-toe costumes and face masks concealing their identities. The show is hosted by Matthias Opdenhövel, the program employs panelists who guess the celebrities' identities by interpreting clues provided to them throughout each season. Since the fourth season, Ruth Moschner and Rea Garvey are the main panelists. Other panelists from previous seasons include Collien Ulmen-Fernandes, Max Giesinger, Bülent Ceylan and Sonja Zietlow. The audience vote for their favorite singer after all perform. The least popular is eliminated, taking off their mask to reveal their identity.