It's all-American week on Dancing with the Stars — a theme near and dear to Petra Nemcova's and Dmitry Chaplin's hearts because they weren't born in the United States. "It's quite special for me and Dmitry," Nemcova tells TVGuide.com. "The quickstep will be a thank you for all the opportunities we've received coming to America." So what can we expect from their dance? Find out below. Plus: Why is she a clumsy elephant?