On May 1, the Prince and Princess of Wales' office at Kensington Palace posted a mysterious new video to their social media accounts. "Happy May Day," Prince William and Princess Kate's team wrote below the 16-second clip with a flower emoji, referencing the first day of the month. "Coming soon…" it continued, plus a video camera icon.

Princess Kate’s cancer diagnosis last year made the Prince and Princess of Wales “prioritize family and each other over everything else,” a source tells Vanity Fair. Now, with their three kids in tow,

Lace was a crucial design component of Middleton’s wedding gown. The dress featured lace that was handmade at London’s Royal School of Needlework based at Hampton Court Palace and was appliquéd with individual flowers that were hand cut from the lace. The bodice and skirt were designed from hand-cut English lace and French Chantilly lace.