As BBC Two premieres its lavish new drama set in the sumptuous surroundings of Versailles, Lucy Worsley and Helen Castor tell the real-life stories behind one of the world's grandest buildings. They reveal the colourful world of sex, drama and intrigue that Louis XIV and his courtiers inhabited. Lucy untangles Louis's complex world of court etiquette, fashion and feasting, while Helen delves into the archives and unpicks the Machiavellian world... see more