Duchess Kate traded her designer dresses for designer Wellington boots as she accompanied a band of inner-city schoolchildren on a camping trip at the Widehorizons Margaret McMillan House in Wrotham, Kent, England, yesterday. 

OK! NEWS: KATE MIDDLETON WEIGHS LESS THAN 90 POUNDS!

Kate volunteered with the organization, Expanding Horizons, which aims to give school-age children confidence and self-esteem through a series of trips into the countryside to work on teamwork skills.

Kate was snapped doing a series of very un-duchess-like things, such as building a fire, sitting on a log and huddling underneath a tarp in the dirt.

OK! NEWS: PRINCE WILLIAM IS "KEEN TO HAVE A FAMILY" WITH KATE MIDDLETON

One thing's for certain — no matter where she is or what she's doing, the Duchess of Cambridge always has perfect hair.