Will Smith: $42 Million, California
From the ‘Fresh Prince of Bel-Air’ to the king of Calabasas, California, Will Smith’s estate is so large, it may even have its own zip code. Together with wife Jada Pinkett, Smith paid $20 million for this ultimate mansion. The home has a huge garage, recording studio, golf course and basketball courts. A few years ago it was rumored they were selling the home for $42 million, but nothing was confirmed.
Bill Gates: $147.5 Million, Washington
Of course, we all know that Microsoft creator Bill Gates is one of the most charitable billionaires out there. Despite that, he’s clearly earned this mansion that cost him $147.5 million. The estate is 66,000 square feet with a private library to make any bookworm envious. Obviously, the Microsoft founder has equipped his home with the most cutting-edge gadgets.