Upon its debut in the February 2013 Italian General Election, the Five Star Movement (M5S), led by former comedian Beppe Grillo, managed to become a major political force in the Italian political system, upsetting the bipolar structure that had existed for nearly twenty years. This article uses the concepts of populism and anti-politics to explore the idea and practice of democracy promoted by the M5S and its leader. Focusing on the first months spent in public office by 5 Star representatives, it analyses the effects of the Movement on the system, and the effects of the system on the Movement. The outcome of this crucial transition seems to be twofold: on the one hand, a process of (partial and complicated) institutionalization of the Move...