But is there a secret weapon behind Pippa's fit physique – aside from her insatiable appetite for extreme sports?
The royal sibling, 32, was recently photographed meeting with fitness guru James Duigan – who has trained elite models Elle Macpherson and Rosie Huntington-Whiteley. Deep in conversation at Duigan's health-conscious Clean and Lean Café in Notting Hill, Pippa was seen looking at a selection of Duigan's food supplements – including his Body Brilliance powder, which the company calls the "supermodel's secret weapon."
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The vegan supplement claims its mix of ingredients, including green tea and guarana, helps boost metabolism and encourage the body to burn fat quicker. Having recently opened a state-of-the-art members club in London (where the air is oxygenated and the light expels Vitamin D), Duigan is known for his holistic approach to fitness.
Greg Sirc / Splash News Online