"Harry could have done something about that."
Crown Princess Mary was joined by Princess Benedikte.
The Queen's only daughter celebrated her birthday on Wednesday.
The Duchess' dad has given several interviews about his daughter.
Princess Mary rarely puts a foot wrong when it comes to fashion.
Princess Mary always knows how to make an entrance.
Prince William said he was delighted to mark the important centenary.
Princess Beatrice is celebrating her 30th birthday.
The Countess was joined by her daughter, Lady Louise Windsor.
Princess Eugenie said the photo on Instagram got her in trouble.