World's Billionaires: How celebrity riches have evolved since 1980s
When The Forbes 400 ranking of America's richest people debuted in 1982, just two entertainers made the cut: Yoko Ono and Bob Hope. In the next 20 years, six more squeaked on. Only three of those first eight ever became billionaires Then came a celebrity wealth boom: In the past eight years, 11 stars have hit billionaire status. Here are some notables
