In the morning, Queen Elizabeth, Meghan Markle, Prince Harry, Prince William, Kate Middleton, Prince Charles, and Camilla all attended a service honoring the milestone at Westminster Abbey in London. The event took place inside of St. James's Palace.
He was set to wear the same gown worn by his older siblings, Prince George and Princess Charlotte.More news: Emmys 2018 snubs, from Meghan Markle to Emilia Clarke
As part of the Queen's trusted inner PR circle, the pair have been working overtime in the wake of the headlines caused by Prince Harry and Meghan Markle's wedding, and the fallout from Thomas Markle's staged paparazzi scandal.
It is a replica of the dress made for Queen Victoria's eldest daughter in 1841.More news: UK slips further down global broadband league table
The Duke of Sussex reportedly purchased a first edition copy of "Winnie-the-Pooh" by AA Milne for his youngest nephew. While Harry also wore a blue suit and light blue tie, Meghan opted for an olive Ralph Lauren dress with a matching headpiece and Manolo Blanik pumps.
The young prince, who has an older brother George, (4) and sister Charlotte (3) was baptised using water from the River Jordan.
At the christening of William's children, there has usually been a poignant nod to the duke's late mother Diana, Princess of Wales, who was killed in a auto crash in 1997. For her daughter Charlotte's christening on July 5, 2015, Kate wore a attractive white coat by Alexander McQueen and a white fascinator by Jane Taylor - a similar look by the same designers.More news: Sign deal to lift ban
All the royal ladies in attendance-including the Duchesses of Cornwall, Cambridge and Sussex, as well as a couple of stray Middletons-stepped out wearing their Sunday best, and there were several stand-out looks.
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