The images were taken during a visit to the Natural History Museum in London and were made public along with a statement from proud parents the Duke and Duchess of Cambridge.
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In the snaps Kate wears a very summery sapphire tea-dress by designer Suzannah, while George is dressed in blue and white stripped dungarees and a navy top by French label Petit Bateau, which sold out within minutes of another picture from the same set being released at the weekend.
Eagle-eyed intern Irina who was processing an Amazon order for Jupiduu - a German company that makes little wooden slides for toddlers - when she noticed the shipping address read Kensington Palace. Cue major freak out in the Jupiduu office!
"Thank goodness Irina, our intern, became a little bit suspicious when she was processing the order," founder and managing director Ken Buschmann to Elle Decor.
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