It seems Kate Middleton is fretting over her sister's headline stealing behaviour– after giving her a strong warning not to embarrass her at this weekend's jubilee celebrations.
Pippa hit the headlines a year ago at her sister's wedding – after wearing a dress that left her rear more talked about than her sister becoming the future Queen of England.
According to Now magazine Kate has pleaded with her sister not to do anything that will show her up in front of her well-to-do in-laws on The Queen's special day.
The socialite has been invited to join the Jubilee weekend's flotilla – despite the Kate's reported fears that she may not be able to behave herself, aired through their mother Carole who will also be taking part in the celebrations.
The magazine reports that all young royals have been warned to behave, but suggests that sources say that the eye of the Royals will be particularly trained on Pippa as they are worried her party-loving antics could upstag the The Queen or her more regal sister.
The last in a long line of unfortunate moments came this year when Pippa was photographed brandishing a gun – and no doubt she won't be allowed near any cannons during the river bound procession.
We have high hopes for naughty Pippa stealing the show. Our money is on a Prince Harry Snog!
Pippa versus Kate in their iconic Issa dress
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