The cause of the overloaded schedule Elizabeth II, who this week is scheduled several major events (including meeting with the President of the United States Donald trump), as well as the recent indisposition of the Queen, for which she even missed a couple of important meetings. His great-grandmother Queen Elizabeth and the Duke of Edinburgh did not show up.
Also present were Prince Louis' six godparents and family members including Prince Charles and the Duchess of Cornwall, Michael and Carole Middleton, and James and Pippa Matthews. She, too, was christened by the Archbishop of Canterbury.
Louis Arthur Charles weighed 8lb 7oz when he was born in the private Lindo Wing of St Mary's Hospital in Paddington, London, on 23 April.
However, the decision for them not to attend Louis' baptism at St. James's Palace in London was understood to have been mutually agreed by the sovereign and the Duke and Duchess of Cambridge some time ago, and was not health-related.
The Cambridges have previously chosen close friends and confidantes for the role.
Prince William could then be heard telling Charlotte: "Well done". He helped organize William's bachelor party and is married to an American, Holiday Inn heiress Lizzie Wilson. According to The Sun, it's a tribute to Princess Diana.
Mr. Harry Aubrey-Fletcher attended both Ludgrove prep school and Eton with William.
Lady Laura Meade will Godmother to Prince Louis.
If it's possible for 3-year-old to have a signature look, then Princess Charlotte's is certainly pretty blue smock dresses and matching bows.
Kate sported a similar look for the christenings of her first two children.
It is a replica of the gown worn by Queen Victoria's daughter for her christening in 1841.
For Prince George's royal christening in 2013, the brunette beauty chose an off-white, cream-colored ruffled A-line dress and coordinating Jane Taylor fascinator - definitely the most opulent option of the three outfits.
Prince Louis' christening was the first time that the Duke and Duchess of Cambridge made a public appearance with all of their children.
The Lily Font and water from the River Jordan will be used during the baptism.
They were served slices of cake taken from a tier of William and Catherine's wedding cake, the Palace said.