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1. Liliane Bettencourt
\nBettencourt’s family owns over 30 percent of L’Oreal, the French cosmetics giant.
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2. Christy Walton
\nA rise in Walmart stock has seen Christy Walton’s net worth rise by just under $4bn this year.
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3. Alice Walton
\nAnother Walmart heiress, Alice Walton is one of America’s most generous philanthropists.
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5. Georgina Rinehart
\nFalling iron ore prices have hit Rinehart’s fortune to the tune of $1bn, but she’s still the richest woman in Asia.
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7. Susanne Klatten
\nA 12.6 percent stake in BMW is keeping the wolves from the door for Klatten, Europe’s second-richest woman.
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9. Miuccia Prada
\nFashion is paying off for Prada, the lead designer at her eponymous family firm. The firm is aggressively expanding into emerging markets.
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10. Anne Cox Chambers
\nStill sitting on the board of Cox Enterprises at 93, Chambers owns a hefty chunk of the media giant set up by her father James M Cox.