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Jenna Jameson
As the self-described "most downloaded person on the Internet," adult film star Jenna Jameson emerged from college dorm room stardom to become a household name. Contrary to popular belief, Jameson never used her profession as a stepping stone to mainstream acting or as a substitute for a career in entertainment gone bad. With the determination to become the most popular star in the industry, Jameson accomplished just that, becoming so famous that she wound up atop her own merchandising company with carte blanche to appear in any movie of her choosing-or none at all.