Miuccia Prada is an Italian fashion designer and entrepreneur, who heads Prada and Miu Miu fashion labels. In 2013, Forbes rated Miuccia Prada's estimated net worth as USD $12.4 billion.

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Miuccia Prada: Miuccia Prada is an Italian fashion designer and entrepreneur, who heads Prada and Miu Miu fashion labels. In 2013, Forbes rated Miuccia Prada's estimated net worth as USD $12.4 billion. (Getty Images)

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Giorgio Armani: Italian fashion designer Giorgio Armani is one of the most successful designers in the world, who is known for his menswear. In 2013, Forbes rated Giorgio Armani's estimated net worth as USD $8.5 billion. (Getty Images)

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Ralph Lauren: American fashion designer Ralph Lauren is best known for his Polo Ralph Lauren label, a worldwide multi-billion-dollar enterprise. In 2013, Forbes rated Ralph Lauren's estimated net worth as USD $7 billion. (Getty Images)

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Isak Andic: Isak Andic is the co-founder of Mango label along with his brother Nahman Andic. In 2013, Forbes rated Isak Andic's estimated net worth as USD $5 billion. (Getty Images)

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Philip & Christina Green: Sir Philip Green is the CEO of the Arcadia Group, a retail giant that includes Topshop, Dorothy Perkins and BHS. In 2013, Forbes rated Philip and his wife Christina Green's estimated net worth as USD $5 billion. (Getty Images)

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Jin Sook & Do Won Chang: Jin Snook and Do Won Chang are best known for retail store Forever 21, which is one of the most successful female brands in the world. In 2013, Forbes rated Jin Snook and his wife Do Won Chang's estimated net worth as USD $4.5 billion.

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Renzo Rosso: Renzo Rosso, the Jeans Genius, is known for the multi-million dollar brand Diesel. In 2013, Forbes rated Renzo Diesel's estimated net worth as USD $3 billion. (Getty Images)

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Chip Wilson: Chip Wilson is a Canadian entrepreneur, who is best known for athletic apparel company Lululemon Athletica Inc. In 2013, Forbes rated Chip Wilson's estimated net worth as USD $2.9 billion.

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Nicolas Puech: Nicolas Puech is the eighth generation descendant of Thierry Hermes, founder of one of the well known luxury brands in the world. In 2013, Forbes rated Nicholas Puech's estimated net worth as USD $2.1 billion.

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Carlo Benetton, Gilberto Benetton, Giuliana Benetton, Luciano Benetton: Carlo Benetton, Gilberto Benetton, Giuliana Benetton and Luciano Benetton founded Benetton Group in 1965. In 2013, Forbes rated their estimated net worth as USD $2 billion.

See more of : Luciano Benetton, Giuliana Benetton, Gilberto Benetton, Carlo Benetton