Famous socialite and fashion icon looses millions gambling, can't keep her extra-marital affairs a secret and her best friend is sleeping with her husband! Sound like a modern day celeb you know of? Well, this ravishing socialite is Georgiana Spencer, Duchess of Devonshire, the original "It Girl" played by Keira Knightley in the new film The Duchess, based on a true story and set in 18th-Century England.
» See what else this ancestor of Princess Diana was up to...