Kate Middleton is a dutiful royal.
Prior to the event, Kensington Palace released the names of Louis' godparents: Nicholas van Cutsem, Guy Pelly, Harry Aubrey-Fletcher and the Lady Laura Meade, as well as Mrs. Robert Carter (or Hannah Gillingham, Middleton's college friend) and Lucy Middleton (the duchess' cousin).
Royal experts have continued to draw comparisons between the two women, ever since Kate and Prince William announced their engagement in 2010.
Queen Elizabeth II chats with Duchess Meghan of Sussex and Prince Harry Duke of Sussex as they watch the RAF flypast from the balcony of Buckingham Palace, July 10, 2018 in London. It will be their first appearance together. She paired the look with nude heels and a clutch.More news: Marvel ‘Black Widow’ movie finally names its director
More news: Put The Honey Smacks Down, CDC Warns After Salmonella Outbreak
More news: Israel Plans to Land Unmanned Spacecraft on Moon in February
The Queen has been joined by royal family members including the Prince of Wales and the Duchess of Cornwall, the Duke and Duchess of Cambridge and the Duke and Duchess of Sussex for a service to honour the RAF at Westminster Abbey.
They have a jam-packed itinerary in Dublin including meetings with the Taoiseach, Leo Varadkar, and Irish President, Michael D. Higgins, and visits to the likes of Croke Park.
Kate also stepped out in her go-to designer on Monday for Prince Louis's Christening.
The queen, 92, front and center for the RAF events.
The family has a long-standing commitment to the Royal Air Force with four generations of the family having served or trained with the United Kingdom's aerial warfare force, and many holding honorary ranks and patronages with RAF charities and associations.