Oprah Winfrey worked at a corner grocery store.
Winfrey's media empire made her the first female black billionaire — she's worth an estimated $3 billion today, according to Forbes. Before she made it to the top, she struggled her way out of a difficult, impoverished childhood.
When she was living with her dad in Nashville as a young teenager, she worked at a corner grocery store next to her dad's barbershop, Forbes reports.