The irony of Mick Jagger singing "You Can't Always Get What You Want," at the height of the Rolling Stones' popularity in 1969 was that Jagger and co. could indeed get whatever they wanted. All they had to do was put it in a concert rider. These days the Stones' wildest demand is for a backstage snooker table, but not all stars are so modest. From chauffeur instructions to specific food requests, these asks give new meaning to the phrase "high maintenance."