Pippa Middleton smiles through rainy Diamond Jubilee river parade – what a pro!

Kate Middleton has clearly taught her little sis, Pippa Middleton well, as the royal's most famous relation deserves to be crowned most smiley guest at today's Jubilee river parade.

pippa middletonPippa Middleton smiled through the very wet celebrations. Copyright [Getty]

While the rain poured during the parade on The Thames today, Pippa Middleton was seriously smiley, performing to photographers with all the poise and perfectness we love the Duchess of Cambridge for.

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The younger Middleton sister was dressed in the patriotic colours of (navy) blue and white — she wore a two piece comprising of a modest pleated knee-length skirt with a jacket complete with white trim and large buttons.

Her brown hair sat in lose curls framing her pretty face, while she kept a permanent smile etched on there.

pippa middleton jamesPippa was joined by her brother James. Copyright [Getty]

Pippa was joined by her brother James on the Elizabethan paddle as the duo took the opportunity to have wide grins for the camera's no doubt helped by James' empty champagne glass.

Also on board was Michael and Carole Middleton who took pride of place at the side of the boat waving to onlookers.

pippa middleton michael middletonPippa's father, Michael Middleton held her hand. Copyright [Getty]

Pippa held her father's hand at times as they sailed The Thames looking relaxed.

We really need to steal some of Pip's tips on looking great through the wet weather, festival season is almost upon us after all…