And, she will be hosting President Donald Trump this Friday at Windsor Castle.
BBC reports that Middleton was overheard saying Louis was "very relaxed and peaceful", and joked to the archbishop that she hopes "he stays like this". After telling the photographers that they were not coming with the royal family to Prince Louis' christening, she continued to give them a stare-down as she walked away.
This afternoon, thousands of people lined the palace approach in central London, to watch a ceremony hosted by the Queen and culminating in the historic flypast of bombers, old and new, along with spy planes, helicopters and transporters.
As with her other two children, Kate opted for a white dress by Alexander McQueen for the occasion and a ivory floral headpiece by Jane Taylor.
Kate's parents and siblings were also there, including her sister Pippa Middleton, who is pregnant.
Behind them, Prince Charles and the Duke of Edinburgh.
The Duchess of Cambridge appeared to make a special gesture to involve her tragic mother-in-law in her grandson's christening.
The final guests were the young prince's six godparents and their spouses, all of whom are friends or family of the Duke and Duchess.
According to Britain's The Sun, Harry shelled out £8,000 - more than $10,000 - for a first-edition copy of "Winnie-The-Pooh" by A.A. Milne for brother Prince William's third child. He has been banned from driving three times, including twice for drink-driving and once for speeding. Pelly is the son of Princess Diana's close friend Lady Caroly Herbert. She is the daughter of the 8th Earl of Romney. Carter is a college friend of Kate's, and she and her husband Robert live in the county of Norfolk near Anmer Hall, William and Kate's country home.
Mr. Harry Aubrey-Fletcher attended both Ludgrove prep school and Eton with William.