Kate Middleton won't head to Wimbledon - with sister-in-law Meghan Markle in tow - until Saturday for the women's singles final, but her younger sister is already on her third visit of the summer.
It's been reported that, now she's married to Prince Harry, Meghan has to adhere to a series of royal clothing decrees - first and foremost that tights should be worn at all events.
More closely, Kate is a former RAF wife herself, with William having earned his wings - along with Prince Charles, Prince Philip and King George VI - in 2008.
Megan, the Duchess of Sussex has enjoyed her second ever appearance on the Buckingham Palace balcony.
The Duchess kept up her signature nude lip look as well.
The Duchess of Cambridge surprised us all by appearing at Tuesday's service to mark the centenary of the Royal Air Force!
President Trump Reportedly Threatened to Pull the U.S. Out of North Atlantic Treaty Organisation
When asked about that, Trump said he believed he could do that without Congressional approval but it was "not necessary". Brussels may dismiss this as typical Trumpian bluster, but my sense is that Trump is not bluffing.
Prince Charles and the Duchess of Cornwall, Prince Harry and Meghan Markle, Prince Edward and the Countess of Wessex were among the royal party, as were Princess Anne and Vice Admiral Sir Tim Laurence, Prince and Princess Michael of Kent and the Duke and Duchess of Gloucester.
The newlyweds attended the church service followed by the parade and fly over, before taking off for Ireland later in the day, for their first foreign tour since their wedding.
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.
The Duchess of Cambridge arrived at the Chapel Royal at St James's Palace in London wearing a V-neck number by the British designer, accessorizing with a matching fascinator framed with petals.
A century later, the RAF is engaged in 13 missions across 26 countries and is heavily committed on operations both at home and overseas, according to Buckingham Palace.