Which celebrity-brand collaboration resulted in the creation of an entirely new product line that grew into its own billion-dollar brand, rather than just endorsing existing products?

In the world of celebrity product endorsements, not all collaborations achieve legendary status. Some partnerships between famous people and brands have been so successful they've redefined what a celebrity endorsement can achieve, turning a simple sponsorship into a cultural phenomenon. Test your knowledge about these iconic celebrity-brand collaborations that changed the marketing landscape!

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George Foreman with Salton Inc. for the 'Lean Mean Fat-Reducing Grilling Machine'
Michael Jordan with Nike for the 'Air Jordan' sneakers
Rihanna with LVMH for 'Fenty Beauty' cosmetics
Dr. Dre with Apple for 'Beats by Dre' headphones