This evening, Prince Harry will accompany his American bride to a summer party at the British Ambassador's residence, with the guestlist including members of the Irish arts, sporting, military and social enterprise communities.
The 36-year-old actress completed the elegant ensemble with nude heels and a black clutch, also from the storied French fashion house, as well as a sheer black fascinator by Stephen Jones and a low bun.
Also attending were Kate's parents, her brother and sister and Louis' six godparents, who are close friends or relatives of William and Kate.
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Ross Barkley, Pedro, Cesc Fabregas, Tiemoue Bakayoko Marcos Alonso and David Luiz were among the big names to have returned. It is understood Conte held meetings and, unless the situation changes, will fulfil the final year of his contract.
Meghan's short-sleeved, knee-length dress continued a couple of fashion trends we've seen from her beginning with her Givenchy wedding gown: boat necks and belts. The mother-of-three left her brood at home and dazzled waiting photographers as she entered the abbey, wearing a handsome blue pastel coat dress by one of her favourite designers Alexander McQueen.
The former Suits star looked poised and confident as she joined the royal family on the balcony at Buckingham Palace for the flypast.
The Duchess of Cambridge wore a McQueen cream dress and white floral headpiece by Jane Taylor.
The "Fab Four" were also there, arriving together with the Duke and Duchess of Cambridge in one auto, followed by the Duke and Duchess of Sussex.