"I think the Queen and Meghan's relationship at this point is one built on respect, and Meghan has shifted her own personal style to adopt a more demure regal look-something I think the Queen will be thankful for".
Thousands of race-goers cheered from the stands as the royal family arrived in several horse-drawn carriages and travelled to the royal box.
The outfit was set off by a sizeable monochrome creation by hat designer Philip Treacy, a favourite among the royals, including Meghan, who has consistently showcased his millinery since becoming a duchess.
However, Markle seems to have broken this rule, with the Duchess of Sussex choosing to carry her name tag rather than wear it.
Their latest: attending the Royal Ascot for opening day- and presenting the winning trophy for the St. James' Palace Stakes this afternoon, won by Italian jockey Frankie Dettori and champion horse Without Parole.
Waight Keller famously designed the duchess' wedding dress and is rapidly becoming the go-to clothier of the American-born royal.
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President Donald Trump is falsely crediting his Singapore summit with the destruction of missile launch sites in North Korea. But for now, Kim has given up very little militarily, in return for a public embrace from the world's most powerful nation.
The Duke and Duchess of Sussex cut a stylish figure at the racing event.
However, now a royal expert has claimed that this would have infuriated Meghan and her new family.
Meghan Markle and Prince Harry pulled out all the stops. Their appearance at the eagerly anticipated race event came hours after Kensington Palace announced that their first official overseas trip as a couple would be to Dublin, in July.
The newlyweds visited Northern Ireland earlier this year, and will now be traveling to the capital city at the request of Her Majesty's Government.
The couple married in May and has carried out several royal engagements since then.