By Jillian Anthony @CNNMoney June 20, 2014: 6:50 AM ET
Puff Daddy
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His party style: When hip-hop producer and musician Puff Daddy turned 40 in 2009, he threw a lavish bash for himself at the Plaza Hotel in New York City. The $3 million black-and-white themed party for 500 guests -- including Jay Z, Denzel Washington, and Kim Kardashian -- featured a maze, fashion shows, waitresses dressed as ballerinas, and a performance by Al Green.