There's a very simple answer to all of this confusion.
Her Instagram post is totally up Elle Woods' alley.
Prince Harry won't be there—so this is clearly our new favorite royal duo.
The reason actually makes a lot of sense.
The Duke and Duchess look so happy!
She also shared a heartwarming photo of her family.
The photos look stunning.
The ones with Prince William and Prince Harry as babies are so adorable
The Duchess has never looked more gorgeous!
We can't stop laughing at this.
Her Alexander McQueen gown was simply stunning.