Celebrities often use their fame and fortune to pursue personal hobbies and collections. Others just fuel the economy by leading grossly extravagant lifestyles. Here is a look at the spending habits of the richest celebrities.

Jay Leno spends much of his time and money extending his car collection. Here he stands in front of a row of Dusenbergs in his collection. His collection also includes a Lamborghini Miura; a 1932 Packard Twin Six 12-cylinder coupe; a 1913 Mercer; several Bugattis; two Stanley Steamers; a 1956 Chrysler Imperial; a 1966 Dodge Coronet Hemi; A Dodge Viper; and a 1955 Buick Roadmaster. His favorite vehicle is his McLaren F1.