Kate Middleton's brother James Middleton has married 'the love of his life' Alizee Thevenet in a secret South of France wedding. The entrepreneur, 34, who is the younger brother of the Duchess of Cambridge, 39, and Pippa Middleton, 38, revealed to his 212,000 Instagram followers that he had tied the knot 'surrounded by friends, family and of course a few dogs' on Saturday 11 September.