Kate Middleton is reportedly worried that little sister Pippa could cause some Royal upset during the Jubilee celebrations this weekend.
Having stolen the spotlight before with her lively partying and figure-hugging outfits - we still LOVE that Alexander McQueen bridesmaid's dress by the way - Pippa has apparently been warned to keep things classy.
According to sources, Kate has asked mum Carole to talk to Pippa on her behalf, after P-Middy was asked to join the Jubilee Flotilla.
While all the young Royals have been briefed on their behaviour, Pippa has apparently been asked to also keep her outfit 'pretty, formal and stylish', with minimal cleavage and no ultra-short hemlines.
What do you think of Pippa Middleton? Reckon she deserves the extra warning?
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