Duchess Kate dazzles in Princess Diana's tiara for banquet with Spanish royals

Yui Mok  PA Wire

Yui Mok PA Wire

We had to make do with only reports and no pictures of the $51 floral Zara dress that Kate Middleton wore on the way to her sister's wedding, and could only dredge up some doubtful enthusiasm for the boring peach Alexander McQueen outfit she wore to the actual ceremony.

Kate Middleton has a fashion rival in town as Queen Letizia has often been dubbed Spain's version of the Duchess of Cambridge.

Dressed in a gorgeous, pale pink gown, Kate accessorised with her late mother-in-law's favourite pearl tiara. In her third outfit of the day, she was also wearing a tiara and a full-length scarlet evening gown.

(Kate wore the same tiara for the first time for a state banquet a year ago.) Kate made a decision to wear a designer she does not often go for, choosing a pink Marchesa gown-the cut is, as was pointed out by many commentators immediately, a bit more risqué for the Duchess than her usual selections (she paired the look with a dramatic necklace, on loan from the Queen).

The Duchess of Cambridge heads to Buckingham Palace for a banquet in honor of the Spanish state visit.

The Queen Mother later gave the stunning piece of jewellery to the then Princess Elizabeth as a wedding present from her parents. Like the duchess, she wore a tiara, and hers is known as La Buena.

But her calendar of engagements appears as intense as ever, as the monarch arrived to open the new Metropolitan Police Headquarters in London today - the morning after hosting Spain's King Felipe VI and Queen Letizia at a lavish white tie state dinner.

The Queen Elizabeth Bandeau Necklace is quite a lavish affair, featuring a diamond flowers and rubies, and finished off with a single suspended diamond.

Diana was a big fan of the tiara.

He joined the Spanish queen in a horse and carriage travelling to Buckingham Palace along Horse Guards Parade - a traditional welcoming ceremony - while Queen Elizabeth accompanied King Felipe.

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