The Prince and Princess of Wales were all smiles as they made a surprise walkabout in Windsor on Sunday afternoon.
Beaming from ear to ear, the royal couple paused to shake hands and chat with concert-goers lining the Long Walk ahead of the star-studded coronation concert taking place this evening.
For the special occasion, Princess Kate looked lovely wearing a powder blue jacket, a white T-shirt and a pair of ultra-flattering tailored trousers. She accesorised with pearl drop earrings and slipped on a pair of stylish Veja trainers.
Take a look at the moment the royal couple surprised fans in the video below...
She wore her glossy chestnut locks down loose and highlighted her naturally elegant features with a pop of rosy blusher.
Prince William, meanwhile, cut a dapper figure in a smart navy suit.
© James WhatlingThousands of street parties are expected to be held across the country, with people encouraged to come together for a Coronation Big Lunch.
© James WhatlingBy bringing neighbours, communities and the nation together in celebration, the Coronation Big Lunches aim to help people make new connections and friends where they live, raising community spirits as part of the historic occasion.
© James WhatlingMORE: The Prince and Princess of Wales' look of love that almost went unnoticed
SEE: Princess Kate's first curtsey to King Charles captured in moving clip
© James WhatlingThe Prince and Princess of Wales aren't the only royals taking part in coronation celebrations across the country. The Duke and Duchess of Edinburgh will attend a big lunch in Cranleigh, while the Princess Royal and Vice Admiral Sir Tim Laurence will attend a community street party in Swindon.
© GettyPrincess Beatrice and Princess Eugenie, meanwhile, will attend a big lunch in Windsor.
Prince William and Princess Kate's surprise visit comes after the royal couple donned their finest threads for the coronation of King Charles III. The duo were accompanied by their children Prince George, Princess Charlotte and Prince Louis as they made their way into Westminster Abbey ahead of the historic ceremony.
© GettyFor the special occasion, Princess Kate and her mini-me daughter Princess Charlotte twinned in white. Kate's outfit was made in an ivory silk crepe material, with silver bullion and threadwork embroidery featuring rose, thistle, daffodil and shamrock motifs – to signify the four nations of the UK.
MORE: Prince Harry arrives in the US for Archie's birthday
Like mother, like daughter, Princess Charlotte similarly donned a custom Alexander McQueen dress. And in a show of unity, both royal ladies completed their looks with matching bespoke headpieces made in a collaboration between milliner Jess Collett and Alexander McQueen. Stunning!
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