It’s a family affair! Meghan Markle stepped out for Commonwealth Day on Monday, March 12 alongside Prince Harry, Kate Middleton, and Prince William in her most royal outfit yet. Queen Elizabeth — who is the head of the Commonwealth, which is a global network of 53 countries with more than 2 billion people — also attended the church service at Westminster Abbey, as did her son Prince Charles and his wife, Camilla Parker Bowles.

For the former actress’ first official outing with the Queen, she donned a chic navy blue dress with a cream color trench coat designed by Amanda Wakeley and a matching hat by Stephen Jones to go with it. She also sported a pair of navy blue suede pumps by Manolo Blahnik to finish off the look. Kate — who looked better than ever at eight months pregnant — wore a Beulah London dark blue coat and a matching Lock and Co hat. The funny part? Kate’s shoes looked almost exactly like Meghan’s! The Duchess of Cambridge also attended the event in a pair of navy blue suede pumps. We guess sister-in-laws think alike…

The Queen — who was not pictured with her grandkids during the affair — wore a burgundy coat with a matching burgundy hat. Will and Harry both looked dapper in matching navy blue suits that paired so nicely with Meghan and Kate’s ensembles. It seems navy blue was the trend because Camilla also stepped out with the flattering color on.

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Scroll through the gallery below to see photos of the royal family on Commonwealth day!