There's one interesting difference between the two.
Their matching pumps are perfection!
The photos look stunning.
SO. MANY. TIARAS.
Her latest look is just SO perfect.
"It's hard for anyone to handle," Prince Albert of Monaco said.
Her mountain climbing outfit is somehow just as chic as her more formal ensembles.
There's a truly special meaning behind her Victorian eternity band.
Looks like Pippa took inspo from her sister Kate!
The letter includes a personal photograph too.
Naturally, Will and Kate are "delighted."