Kate Middleton took the tube...
And her bump got a very special badge!
The Duchess of Cambridge joined the Duke of Edinburgh and the Queen at Baker Street station on Wednesday to celebrate 150 years of the London Underground.
They shared a joke with staff as Kate was presented with her very own 'Baby on Board' badge.
Now more likely to get around by helicopter or chaffeur-driven Range Rover, Kate revealed she often took the tube to work before she got married.
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