(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.

Steven Spielberg (Brentwood)

Madonna (Bel Air)

Mel Gibson (Malibu)

Christina Aguilera (Hollywood Hills)

Rod Stewart (Beverly Hills)

Jim Carry (Brentwood)

Justin Timberlake (Hollywood Hills)

Faith Hill and Tim McGraw (Beverly Hills)

Jennifer Love Hewitt (Toluca Lake)

Nicolas Cage (Bel Air)

The Hilton Estate (Beverly Hills)

Johnny Depp (West Hollywood)

Nicolas Cage (Los Feliz)

Top Ten Most Expensive Celebrity Homes in the World 2012