The press reports her every move, her fans defend her every faux pas as if she were divine, her detractors think she's the devil in a bustier, and Norman Mailer thinks she's our "greatest living female artist". In short, Madonna is the biggest star in the world. Unlike some stars, Madonna isn't famous simply for being famous. She's carved her popularity and her notoriety out of chart-busting singles, sold-out tours, movie roles in Desperately Seeking...