Queen Elizabeth II kicked off a day of engagements in a pair of patent leather heels, but switched into her comfortable favourites later on in the day.
The Duke of Sussex reportedly purchased a first edition copy of "Winnie-the-Pooh" by AA Milne for his youngest nephew.
(This church has its own significance for the royal family: it was where Charlotte's late grandmother, Princess Diana, was herself baptized.) Also at her christening, Charlotte's five godparents were officially named, including some of her parents' nearest friends and relative.
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Thankfully for the Duke and Duchess of Cambridge, their youngest son, Prince Louis, was very well behaved during his eagerly anticipated christening, and the 11-week-old stayed fast asleep as his mum carried him into the chapel. In June, she was spotted alongside the rest of the Royal family at the Trooping of the Colour, the Queen's birthday parade.
Prince Harry has purchased a first edition of the famous novel, Winnie-the-Pooh, for £8,000. For the occasion, Kate wore an Alexander McQueen dress with a structured shoulder detail and a dramatic Jane Taylor headpiece fit for a princess.
Charlotte, 3, was dressed in a blue floral frock, wearing her hair parted in the middle the princess wore a blue headband that had a bow attached at the top.
Following the service, The Duke and Duchess of Cambridge are set to give a private tea at Clarence House.