Pippa Middleton Flaunts Her Killer Bikini Bod While Paddleboarding in the Caribbean—See the Pics!

Socialite is spotted getting active in the water with brother James Middleton

Seriously, Pippa Middleton?

It's like, we know the royal has a toned and trim figure, yet every time we see it, we get hit with a fresh dose of jealousy. The 31-year-old showed off her enviable bod once again while paddleboarding with her brother James Middleton during a vacation in the Caribbean.

Pippa rocked a tiny purple and blue two-piece which helped accentuate her washboard abs and muscular physique while taking on the waves with her sibling, who kept it simple (but colorful) in a pair of scenic swim trunks.

This isn't the first time we've seen Pippa's frame on full display while on vacation with her family (including mom Carole Middleton).

Earlier in the week, she showed off her bikini bod once again in a red two-piece while looking relaxed and carefree as she enjoyed the warm ocean temps.

While it's easy to be envious of her figure, we also know the brunette beauty works for it. Middleton has always been active, participating in charity bike rides, marathons and other athletic events, and it's hardly for personal goals, either.

Many of her races are for charity, including the Safaricom Marathon in Kenya, which she ran to raise money for conservation charity Tusk Trust, of which her brothers-in-law are both patrons.

That marathon in particular wasn't your average, run-of-the-mill 26.2-mile journey. Pippa had to not only endure the African heat but she also had to run it in high-altitude air at more than 5,000 feet.

Not to mention this high-intensity marathon took place only a week after her 54-mile bike ride from London to Brighton.