9. Andrea Hissom, Married to Steve Wynn
Source: ecorazzi
This is one of the most powerful and charismatic couples in Las Vegas. Winn accumulated his wealth from the construction and management of some of the largest and most popular casinos in the area, the Golden Nugget, the Mirage, and the Bellagio. His most recent completion are the Wynn Las Vegas and the Encore. Their wealth is estimated at $2.9 billion.