It has also been noted that Kate's decision to wear white or cream at the christening of Prince George, Princess Charlotte, and now Prince Louis is due to the colours perfectly complementing the Royal christening gown, worn by all three children.
The Archbishop of Canterbury, Justin Welby, addressed the congregation and said the RAF has in its first 100 years been a decisive factor in serving the country, as well as being key in protecting democracy and freedom.
It's a festive week for the royal family. This was an opportunity to meet RAF veterans, serving personnel and their families.More news: Endurance man Anderson downs Isner in ultra marathon to reach final
Kate was also joined by husband Prince William, who looked smart in a crisp suit.
On Tuesday, July 10, at the centenary of the Royal Air Force celebration, Meghan Markle wore a navy blue Dior dress. In addition, the Queen has entrusted Kate's prestigious diamond brooch, which was decorated with the attire of the Duchess.
Ahead of the speech, the Queen presented a new flag, known as a "Colour" to the RAF Regiment. When Walter Cullen, 3, met Meghan and Prince Harry during their visit to Dublin this week, the little boy reached out to touch the Duchess of Sussex's brunette locks before clasping his palm to his mouth in disbelief.More news: Video of Man Harassing Woman Over Puerto Rico Shirt Sparks Probe
Jeff Spicer via Getty Images Queen Elizabeth II at the RAF centenary celebration.
"Her Majesty the Queen has known all of the chief of the air staff, there have been 31 of us, she has known all of them".
Case in point, the pale mint blue dress she donned on Tuesday for the Royal Air Force 100 ceremony in London. "I think there is a very close personal connection as well as clearly that important connection between the Sovereign and her armed forces".More news: Donald Trump, Theresa May Hold Joint Press Conference At Chequers