The annual Commonwealth Day service at Westminster Abbey is one of the highlights in the royal calendar.
It's a time when all members of the Royal Family come together to celebrate the Commonwealth and to honour the Queen - and the 2022 event is set to take place tomorrow.
The Covid-19 pandemic forced the event to be cancelled last year but the last service - held in 2020 - was also the final royal engagement for Prince Harry and Meghan Markle.
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Weeks before the event, the pair made the bombshell announcement they would be quitting as senior royals and leaving the UK.
For the service, Meghan memorably wore a vibrant green Emilia Wickstead cape dress that started blowing in the wind as she left the Abbey.
And according to Christine Ross, the editor of the blog Meghan's Mirror, Meghan used the dress to send a secret but powerful message.
She believes that it was a clear signal to the designer and to the people who claimed the two women had a "complicated" relationship.
Speaking previously on the Mirror's royal podcast Pod Save the Queen, she said: "One of the most iconic looks is going to be her green Emilia Wickstead cape dress.
"That cape blowing in the wind as she walked into the church and then walked out of the church, which was such an emotional moment for so many people as it was their last formal engagement as royals.
"That green dress will stand out in history books I think."
She then went on to explain the "complicated story" between Meghan and Wickstead, which came from an interview the designer did with a magazine.
Christine says that Wickstead described Meghan's wedding dress as "simple", and taken out of context in other reports left many believing she was criticising the dress.
She said: "It was a pull quote from a larger interview, she really didn't say anything negative.
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"People thought Emilia Wickstead had really wronged Meghan, and it turned out that Emilia Wickstead hadn't wrong Meghan, it was a pull quote.
"Maybe a month or so later Meghan actually wore a custom Emilia Wickstead dress, and that situation shows the power of Meghan's fashion choices.
"She was able to say with this fashion choice, Emilia Wickstead and I are great. We're on great terms, that whole thing was a huge misunderstanding and look at the lovely dress she designed for me."
