The young royals had adorable reactions to the annual military display.
The dress featured a high neck, cap sleeves, corseted bodice and open back.
She’ll walk down the aisle later this month.
And the photo was taken by Kate Middleton herself.
The royal tots will have prominent roles in their aunt’s wedding ceremony on May 20.
Their holiday greeting card has been unveiled fashionably late.
The Duchess of Cambridge is a lifetime honorary member of the Royal Photographic Society.
Pippa Middleton joined the royal tots in a pair of bargain Italian boots.
Shop these classic dress shoes inspired by Britain’s youngest royals.