This paper explores the concepts of "fame" and "celebrity" and reviews recent social scientific research that might shed light on the processes that cause someone to gain or lose fame. It explores the concepts of fame and celebrity, how they are measured, and their evolution through time. It contemplates various explanations for how individuals become famous, including achievement, hype, charisma, status, becoming a symbol, and enterprise development, which often involves the adoption of marketing and consumer product business-like strategies. It discusses how celebrities stay relevant, how they can fade into obscurity, and the effects of cancellation and stigma on their fame.