Subscribe to People StyleWatch
That famous behind doesn't come easy. From leisurely jogs to full-on triathlons, see how the Duchess of Cambridge's kid sister stays fit
Credit: Martin Karius/REX USA
Updated: Thursday Sep 01, 2011 | 06:00 AM EDT
By: Alex Apatoff
More from PEOPLE
See More News
Heidi, Pippa, Kate and more stay toned simply by playing in the snow!
4 of 7
It's no surprise that Pippa earned a Body of the Year nomination. Her dedication to fitness includes regular runs, including this jog along the Thames in London.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.