20 Stars With Crazy Expensive Homes

No self-respecting Hollywood star or tech mogul is going to live in a shack—but what are the most expensive celebrity homes? Radar lists 20:

• Petra Ecclestone's Los Angeles home, the former Spelling Mansion: $85 million
• Tiger Woods' Florida estate: $60 million
• Bill Gates' Washington state "Xanadu," the largest private residence in the country: $55 million
• Hugh Hefner's Playboy Mansion: $50 million
• Arnold Schwarzenegger's Brentwood estate: $23 million
• Conan O'Brien's Pacific Palisades mansion: $20 million
• Rod Stewart's Palm Beach mansion: $12.5 million

Click for the complete list—and pictures of the swanky abodes.