Kate Middleton Dons Diana’s Tiara With Pink Marchesa Dress

mother-in-law by wearing her tiara. On Wednesday, the Duke and Duchess of Cambridge attended a state banquet at Buckingham Palace, with Kate decked out in a low-cut pink Marchesa gown, a diamond-and-ruby necklace borrowed from Queen Elizabeth, and Diana’s pearl-and-diamond tiara — a wedding gift from the queen when Diana married her son Prince Charles.