Lady Isabella Frederica Louisa Hervey (born 9 March 1982) is a British socialite, model, and actress. She is the youngest daughter of the 6th Marquess of Bristol and his third wife Yvonne Marie Sutton, half-sister of the 7th Marquess of Bristol, and Lord Nicholas Hervey, both deceased, and sister of the 8th Marquess of Bristol and Lady Victoria Hervey..