Which celebrity pioneered the modern celebrity-retail partnership model in 2003 with a groundbreaking deal that generated over $1 billion in retail sales within five years?

Before celebrities launched fashion lines and beauty brands with the click of a button, one famous figure pioneered the celebrity retail phenomenon by creating a groundbreaking partnership that forever changed how celebrities monetize their personal brand in the retail space. This innovative approach created a blueprint that countless stars have since followed, from Rihanna's Fenty to Kylie Jenner's cosmetics empire.

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Jennifer Lopez with her 'JLo' clothing and fragrance lines
Jessica Simpson with her shoe and apparel collection
Sean 'P. Diddy' Combs with Sean John clothing
Paris Hilton with her branded merchandise empire