You'd think an Olympic gold medalist would be immune to all the aches and pains the contestants on this season of "Dancing with the Stars" have endured. But it turns out even the youngest -- and arguably the most in shape -- found all those mambos and waltzes to be physically demanding. Watch our interview with Shawn and her dancing partner, Mark Ballas, as they share what their biggest challenges this season have been, their surprising backstage snacks and why Shawn feels so good about her body.

You can also click here to find more about Shawn's post-DWTS plans.