Which celebrity's 2009 endorsement deal with Gillette had to be completely scrapped following a major scandal, resulting in approximately $100 million in wasted advertising and product development?

Celebrity endorsements can significantly boost a brand's visibility and sales, but sometimes these partnerships go terribly wrong. When a celebrity becomes embroiled in controversy or the partnership simply doesn't resonate with consumers, companies often need to quickly distance themselves from their famous spokesperson. Test your knowledge about one of the most expensive celebrity endorsement disasters in retail history.

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Tiger Woods
Lance Armstrong
Michael Phelps
Maria Sharapova