54 years old (Born on December 17, 1970)
British model.
She is the granddaughter of the Duke and Duchess of Devonshire on one side and of Lord Glenconner on the other side. She does not use her title of Lady. One of the world's top fashion models. Her own line of baby knitwear is titled Tennant and Son. Was ranked #27 in Channel 5's "World's greatest supermodel".