As you may know, the king and queen of Spain are on an official royal visit to Britain right now. After Queen Letizia made a stylish arrival on Wednesday, Buckingham Palace celebrated with a formal state banquet (which was conveniently live-streamed). Of course, Kate Middleton was on hand for the elegant affair too—she opted to wear a plunging pink lace gown by Marchesa.
To round out the black-tie look, she wore two pieces of royal jewelry: Princess Diana's tiara and Queen Elizabeth's diamond-and-ruby necklace. Could she look any chicer?
Scroll down to see what Kate Middleton and Queen Letizia wore to the state banquet at Buckingham Palace.
Opening Image: Getty Images