London (CNN) The Duke and Duchess of Sussex have shared behind-the-scenes images from their big day at Windsor Castle as they celebrate their first wedding anniversary.

The couple, who recently celebrated the birth of their son , shared a video on their Instagram account, Sussex Royal, which showcased a collection of unseen shots backed to music by the Kingdom Choir, who performed at their May 19, 2018 wedding, singing "This Little Light of Mine."

"Thank you for all of the love and support from so many of you around the world. Each of you made this day even more meaningful," wrote Meghan and Prince Harry in the Instagram post.

The clip had black-and-white images showing Prince Harry walking down a flight of stairs with his brother Prince William. There are also tender shots of Meghan being led down the aisle by Prince Charles, and her smiling and holding hands with her mother Doria Ragland.

The Palace said in the post, "Happy one year anniversary to Their Royal Highnesses, The Duke and Duchess of Sussex!"

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