(UPDATED: 13 Total Pictures)
Here are the top 10 most expensive celebrity homes in the world of 2012. Some are billionaires and most are millionaires.
Mel Gibson (Malibu)
Christina Aguilera (Hollywood Hills)
Justin Timberlake (Hollywood Hills)
Faith Hill and Tim McGraw (Beverly Hills)
Jennifer Love Hewitt (Toluca Lake)
The Hilton Estate (Beverly Hills)
Top Ten Most Expensive Celebrity Homes in the World 2012