Which celebrity endorsement deal reportedly increased Beats By Dre headphone sales by over 40% and helped lead to Apple's $3 billion acquisition of the company?

Celebrity endorsements have been a cornerstone of product marketing for decades, but how well do you understand their actual impact on consumer behavior? This poll tests your knowledge about one of the most successful celebrity product partnerships in recent history that redefined how companies approach influencer marketing. Can you identify the correct data behind this famous collaboration?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

LeBron James (who received a $30M equity stake in the company)
Taylor Swift (whose 2014 exclusive streaming deal with Beats Music preceded the acquisition)
Kylie Jenner (whose social media campaign quadrupled online sales in 2013)
Cristiano Ronaldo (who wore custom Beats during the 2014 World Cup despite FIFA's ban)