The Middleton family was also represented, with Louis'pregnant aunt, Pippa Middleton Matthews, at the intimate gathering. Once the ceremony is complete, guests will attend a private reception at nearby ClarenceHouse where they will be served cake taken from a tier of William and Kate's wedding cake.
Eleven-week-old Louis was dressed in the cream, frilly lace royal christening gown - a replica of the intricate robe made for Queen Victoria's eldest daughter in 1841.
After being worn by 62 royal babies, including Queen Elizabeth II and Prince William, the gown was deemed too fragile to wear, so a replica was created to continue the tradition.
Rockets reportedly 'determined' to sign Carmelo Anthony
The 31-year-old averaged 7.5 points, 3.0 rebounds and 1.2 steals in 25.6 minutes per game across 61 games (15 starts) in Houston . The moves add to uncertainty for the Rockets around Swiss free agent center Clint Capela , who has not agreed to a new deal.
Prince Charles and his wife Camilla will be in attendance alongside Carole and MichaelMiddleton.
It's days like today that make being a mom so special for Kate Middleton.
The three-year-old had a clear message for paparazzi as she left Prince Louis' christening to go to afternoon tea: "You're not coming".
It's also where the coffin of Diana, Princess of Wales laid for a week before her burial.
Nicholas van Cutsem is the brother of William van Cutsem who was selected as a godparent for Prince George.
Widow of Nobel dissident Liu Xiaobo has left China
A source close to Western diplomats told the Post that Li raised the issue of Liu Xia during his meeting with Merkel. The German embassy had offered in April to help Liu Xia travel to Germany but the move did not take place.
Croatia identify England danger man for semi-final
JOHN STONES says a proven strength in adversity has united the England squad ahead of their World Cup semi-final against Croatia . These guys are a couple of games away from being immortalised, I bet they can't wait for the next game to start.
Sworn in with new powers, Erdoğan leaves on first trip
The only European Union leaders are set to be Bulgarian President Rumen Radev and Hungary's strongman Prime Minister Viktor Orban. Turkish President Recep Tayyip Erdogan makes a speech during a ceremony at the Presidential Palace in Ankara , Turkey, on July 9.
Profiles: Matt Hancock and Jeremy Wright
Many Brexit campaigners in her Conservative Party say she has betrayed her promise to pursue a clean break with the EU. Matt Hancock , Secretary of State for Digital, Culture, Media and Sport has replaced Jeremy Hunt as Health Secretary.