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These 10 power couples are each worth tens of billions of dollars, making Beyonce and Jay-Z look middle class in comparison.
French businessman Bernard Arnault is chairman and CEO of the luxury goods conglomerate LVMH.
The company owns well-known brands including Fendi, Givenchy, Louis Vuitton, TAG Heuer and Benefit Cosmetics.
The Arnault family own a 5.6% stake in the group, which has a market value of 85 billion euros ($92.5 billion).
Arnault's second wife Helene Mercier is an acclaimed pianist from Quebec.