Prince William and Kate Middleton celebrate 15th wedding anniversary with lovely family photo

Kate Middleton and Prince William shared a lovely family photo, with their three kids included, to mark their 15th anniversary celebration.

On April 29, the Prince and Princess of Wales released a new image with their three children, Prince George, 12, Princess Charlotte, 10, and Prince Louis, 8, to commemorate their wedding anniversary. 

"Celebrating 15 years of marriage," the photo was captioned on social media.