Wal-Mart founder Sam Walton could have used his bottomless fortune to buy any car in the world, but he chose to drive his Ford F-150 from the time he bought it in 1979 until his death in 1992. The famously frugal and unassuming Walton, however, is the exception, not the rule. For the world's rich, famous, elite, and envied, great wealth usually brings great cars. Some turn their enviable means into outrageous collections of automobiles of all shapes, sizes, eras, and makers. Here's a look at the greatest car collections in the world of A-list celebrities.
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