However, Prince Louis's great grandparents - Queen Elizabeth II and the Duke of Edinburgh - were not be able to attend the ceremony.
On Monday the royal family descended upon the Chapel Royal at St. James's Palace for Prince Louis's christening.
The now seven-year-old cake is a tier taken from The Duke and Duchess of Cambridge's wedding cake when the pair Wednesday in 2011. Aside from Middleton and Pelly, the list includesNicholas van Cutsem, Harry Aubrey-Fletcher, Lady Laura Meade and Robert Carter.
Prince Harry has purchased a first edition of the famous novel, Winnie-the-Pooh, for £8,000.
It was a big day for Prince Louis.
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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.
Prince Louis' christening was the first time that the Duke and Duchess of Cambridge made a public appearance with all of their children.
According to tradition, water from the River Jordan was used at the christening.
Guests were enjoyed slices of fruit cake from a tier of William and Kate's eight-tier wedding cake at the swanky do.
Proud parents the Duke and Duchess of Cambridge made their way into the service in London with their three children.
The princess Charlotte, who has a surprising point in common with the princes George and Louis, and it continues to be noticed.
Louis' godparents were also announced on Monday. She is the daughter of the 8th Earl of Romney.
Still intact after eating the seven-year-old cake, Kate was out today attending a service at Westminster Abbey to commemorate 100 years of the RAF.