Which celebrity's sustainable footwear brand pioneered the use of recycled ocean plastic in mainstream shoe design, creating a new eco-conscious market segment?

Many celebrities have ventured beyond their primary careers into product design and retail, creating unique brands and innovations. Some have revolutionized entire market segments with their approach to design and branding. Test your knowledge about these famous entrepreneurs who've made significant impacts in the retail product design space!

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Pharrell Williams with his Adidas collaboration
Rihanna with Fenty
Kanye West with Yeezy
Serena Williams with S by Serena