(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.
But 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 monarch and the Duke and Duchess of Cambridge some time ago and was not health-related.
This was the first time the Duke and Duchess of Cambridge stepped out with all three children.More news: Donald Trump blasts NATO alliance ahead of summit, meeting with Vladimir Putin
Prince Louis was christened today.More news: At least 134 confirmed dead as Japan combs through mud for missing
Princess Charlotte had a sassy message for photographers as she left her brother's christening on Monday: "You're not coming".
Many photos from Prince Louis' christening have emerged after the event was held on Monday.
Meghan Markle and Prince Harry attended Prince Louis' royal christening. People notes that she wore her hair parted down the middle with a blue headband, an unusual style for the tot that looked formal, yet adorable.More news: Rescuers Begin 'Challenging' Final Push To Free Last Five From Thai Cave