In recent years, the art of social-climbing has been linked to Instagram influencers and reality stars, and, obviously, it's generally looked down upon. But the goal of upward mobility has been around, probably, since one caveman had a bigger and brighter fire than another. Like moths to flame indeed, people have always been drawn to those glowing with the fame, fortune, and birthright they don't have, and some people will make it their life's work just to make it close enough to feel the warmth. From royal courtesans to celebrity besties, click through for some of the most successful social climbers in history.