Lady Elizabeth Foster, often known as Bess Foster, was an English noblewoman born in 1750. She became notable for her close relationship with Georgiana Cavendish, the Duchess of Devonshire, and later with the Duke himself. Bess was known for her beauty and charm, which helped her navigate the complex social circles of the British aristocracy. Bess Foster's life was marked by her unconventional role within the Devonshire household. After the Duchess's death in 1806, she continued to live at Chatsworth House, where she was a significant figure in the Duke's life. Bess passed away in 1824, leaving behind a legacy intertwined with the history of the British nobility.