21 Richest Billionaires In The World

6. Bernard Arnault

Facebook CEO Mark Zuckerberg talks about the new Facebook email service at an announcement in San Francisco, Monday, Nov. 15, 2010. AP Photo/Paul Sakuma)
Michel Euler/AP

Rating: $34 Billion

Proof positive that luxury brands like Luis Vuitton and Hennessy are big business, Arnault has made his fortune selling top level brands to wealthy buyers.

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