‘I’m a little bit more adventurous than William is,’ she added after the shy future King said ‘ladies first’.

To say thank you to conch stall owner Jade ‘Kow’ Adderley, Kate grabbed a knife and started chopping the sea snail for a conch salad.

Mr Adderley said: ‘She was a good helper. I’d like her to stay and help me at the stall.’