Even with an unlimited amount of money in her 10-figure bank account, Oprah Winfrey buys the same clothes over and over. She's been doing it for years, essentially making the wearable items the billionaire's uniform.

The talk show host and mogul has worn simple utility jumpsuits in public twice in the past: in September, in a denim-inspired style, and again over the weekend when she reached for a one-piece.

On October 5, Winfrey hosted a discussion at Grandmother's Bookshop in Summerland, CA. She appeared in a khaki utility jumpsuit with a paper-bag waistband and ultra-wide legs. Paired with oversized glasses and caramel-colored suede flats, she transformed into an understated, rich auntie (her signature look).

But this look didn't fall from the coconut tree; there were dozens of boiler suits before that. Her 2020 Vision: Your Life in Focus tour, for example, was a months-long showcase of the best onesies fashion has to offer. In January of that year, she wore a crisp navy one, styled with chunky black accessories (patent leather belt, thick-framed glasses, etc.).

A few days later, on another stage, Star chose a shiny olive piece, complete with belt and aviation-inspired zipper.

And flight suits followed in rapid succession. A month later, Winfrey opted for a fabulous suede style that looked like an autumn cream latte.

Basically, if you want to dress like a billionaire, there's only one thing you should be shopping for: a new suit. And down the road, that's exactly what you can do. We've put together a list of the chicest utility suits on the market today, which are sure to get Oprah's seal of approval.