Hollywood Star's Cars

Julia Roberts' PriusJulia Roberts has to have several cars to cart her new twins around, but her fave is the environmentally-kind Toyota Prius, a hybrid vehicle that sips fuel so sparingly it gets 55 miles per gallon. Yes, the real whistleblower for the environment, Erin Brockovich, whom Julia played in the movie of that name, also drives a Prius.Denise Richards' S55Denise Richards married