The 100 richest people in the world gained $241 billion in net worth last year, according to Bloomberg's Billionaires Index. Americans dominated the list, occupying five of the top 10 spots. This countdown of the top 10 wealthiest Americans features a casino mogul, software tycoons, and a lot of Wal-Mart money.
Sofia Vergara's lucrative endorsement deals put the bilingual actress on top of the list for the second year running. Sofia Vergara stars on ABC's 'Modern Family.'
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