Congratulations are in order for Prince William and Kate Middleton, who are celebrating their 8th wedding anniversary! The Duke and Duchess of Cambridge are ringing in the milestone after tying the knot on April 29, 2011, in a lavish royal wedding at Westminster Abbey in London.

For the special day, Kensington Palace took to Instagram to share a number of throwbacks from the royal wedding. “Eight years ago today — thank you for your lovely messages on The Duke and Duchess of Cambridge’s wedding anniversary!” Kensington Palace captioned the photo collage of sweet snapshots from the royal wedding day.

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Fans of the duke and duchess — who are the parents of Prince George, 5, Princess Charlotte, 3, and Prince Louis, 12 months — couldn’t wait to send their best wishes to Kate and Will on their joyous day. “Happy 8th Anniversary, Duke and Duchess of Cambridge! I remember staying up to watch it. Wishing many more years of happiness together and your adorable children,” one fan wrote in the comment section of Kensington Palace’s post. “Eight years and three babies after! What an amazing royal couple!” gushed another.

As we continue to celebrate Kate and William’s anniversary, scroll through the gallery below to take a look back on their top 10 sweetest moments!