Which research method did Rihanna's Fenty Beauty use to disrupt the cosmetics industry by identifying an underserved market need?

Famous personalities have increasingly ventured into product development and retail, transforming their personal brands into successful business empires. This trivia tests your knowledge about the market research and product innovation processes that celebrities have used to create some of today's most recognizable brands. Do you know what goes on behind the glamour before these products hit the shelves?

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Focus groups with makeup artists to identify professional-grade formulas
Comprehensive shade-matching research across 50+ countries to address diversity gaps
Social media polling to determine most popular existing products to replicate
Celebrity endorsement testing to find optimal influencer partnerships