Nine years ago, two unlikely lunch partners sat down at the Hollywood Diner in Omaha, Nebraska. One, Warren Buffett, was a regular there. The other, Jay-Z, was not. The billionaire and the rapper ordered strawberry malts and chatted amiably, continuing the conversation back at Buffett’s Berkshire Hathaway offices.

Buffett, then 80, walked away impressed with the artist 40 years his junior: “Jay is teaching in a lot bigger classroom than I’ll ever teach in. For a young person growing up, he’s the guy to learn from.” This moment, which was originally captured in our 2010 Forbes 400 package, made it clear that Jay-Z already had a blueprint for his own ten-figure fortune. “Hip-hop from the beginning has always been aspirational,” he said.

Less than a decade later, it’s clear that Jay-Z has accumulated a fortune that conservatively totals $1 billion, making him one of only a handful of entertainers to become a billionaire—and the first hip-hop artist to do so. Jay-Z’s steadily growing kingdom is expansive, encompassing liquor, art, real estate (homes in Los Angeles, the Hamptons, Tribeca) and stakes in companies like Uber. Read more in Forbes.