Which celebrity's product endorsement deal is widely considered the most lucrative in history, reportedly earning them over $1 billion in royalties?

Celebrity endorsements have been a powerful marketing tool for decades, creating memorable brand associations and boosting sales. From Michael Jordan's partnership with Nike to George Clooney's long-standing relationship with Nespresso, these collaborations can transform a product's market position. This trivia question tests your knowledge of one of the most financially successful celebrity endorsement deals in history.

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George Foreman (George Foreman Grill)
Michael Jordan (Nike Air Jordan)
Oprah Winfrey (Weight Watchers)
Kylie Jenner (Kylie Cosmetics)