He said: “The Queen is known for her chic and vibrant wedding outfits.
“The monarch wore a lime coloured patterned dress for Harry and Meghan’s wedding and lemon yellow for William and Kate’s.
“We can expect an elegant outfit from the Queen – a bright coloured coat dress is most likely, making her stand out from the crowd.”
Who: His Royal Highness Prince Harry and Meghan Markle (now the Duke and Duchess of Sussex)
Where: St George’s Chapel, Windsor Castle
When: 19 May 2018, Berkshire
Dress: Meghan wore a dress designed by Clare Waight Keller for Givenchy. The white dress was made of silk and had a boat neckline. The veil was an incredible 16 feet long.
Tiara: The Duchess of Sussex chose the Queen Mary diamond bandeau tiara, made in 1932, with a flower brooch in the middle from 1893.
Cake: The cake was a made by Claire Ptak, based in London. It was lemon and elderflower cake, decorated with peonies and buttercream icing.
Notable guests: A-list guests included James Corden, tennis player Serena Williams, the Beckhams, Sir Elton John, George and Amal Clooney and Carey Mulligan and Marcus Mumford.
Who: The Duke and Duchess of Cambridge
Where: Westminster Abbey, London
When: 29 April 2011
Dress: Kate wore a dress made by Sarah Burton for Alexander McQueen. The satin gown featured long lace sleeves. It had a nine foot train and the lace featured roses, daffodils, thistles and shamrocks.
Tiara: Kate borrowed the Cartier Scroll Tiara, now known as the Halo tiara. It bought by the Queen’s father, the future King George VI, for his wife Elizabeth.
Cake: William and Kate opted for a traditional fruit cake with eight tiers. It was decorated with sugar flowers. William also had an additional chocolate biscuit cake was made from a Royal Family recipe.
Notable guests: Guests included family and friends of the couple, as well as members of the military and people who work with charities the pair support.