Celebrity college majors. Onscreen, Legally Blonde's Reese Witherspoon is a Harvard-educated lawyer. Offscreen? She's a college dropout.In most professions, that might be a problem. But life is different in Tinseltown. Of the 20 best-paid actors and actresses on our Most Powerful Celebrities list, who collectively raked in $529 million over the course of the year, only two--Adam Sandler and Cate Blanchett--have a college degree. Witherspoon? She earned $7 million last year.