Lady Kitty Spencer is married! Princess Diana's niece tied the knot with Michael Lewis in a luxe Italian wedding over the weekend. The 30-year-old model said «I do» to the millionaire fashion mogul 62, in front of family and friends at Villa Aldo Brandini in Frascati, Italy.Kitty's brothers Louis Spencer, Viscount Althorp and Samuel Aitken walked her down the aisle, per the . Her sisters, Eliza and Amelia were also in attendance, as well as Pixie Lott and Idris Elba's wife, among others.