There’s no denying Prince Harry and Meghan Markle‘s royal wedding was one of the most memorable days ever, and even though it’s been four months since they said “I do,” we’re still talking about the Duchess of Sussex’s looks from that day! 

In a new teaser for the upcoming documentary about Queen Elizabeth‘s life, Queen of the World (obtained by Daily Express), we get to see Meghan, 37, reunite with her stunning wedding dress — and we even find out what her “something blue” from that day was.

“It’s amazing isn’t it… The work that they did here is just so beautiful,” she said of the gown in the clip. She then reveals that there’s a small piece of blue fabric sewn into the dress — and it’s from the dress she wore on her first date with Harry! Have you ever heard of something so romantic?

Lucky for us, we may be able to see Meghan’s “something blue” in person very soon! According to a recent report, the more than $250,000 gown will be on display at Windsor Castle by the end of 2018. 

In the teaser, Meghan also gushed about her memorable veil, which honored the Commonwealth. “It was important for me especially now being a part of the royal family to have all 53 of the Commonwealth countries incorporated,” Meghan said in the clip. “And I knew that it would be a fun surprise as well for my now husband, who didn’t know.”

meghan markle wedding dress
Getty Images

Of course, the entire royal family appreciated the tribute as well. “I think the other members of the family had a similar reaction, and just appreciation for the fact that we understand how important this is for us and the role that we play, and the work that we’re going to continue to do within the Commonwealth countries,” Meghan added. So sweet!

Queen of the World will premiere in the UK on Sept. 25 at 9:15 p.m. on ITV in the UK and in the US on Oct. 1 at 9 p.m. on HBO.

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