The stage at TV's smash hit Dancing with the Stars has seen plenty of fancy footwork over the course of the show's 11 seasons, but even the Dancing pros were impressed when the national touring company of Mary Poppins flew in to celebrate Stars' 200th episode. Dressed in their finest chimney sweep attire, the musical's talented tappers took to the dance floor to wow audiences with a performance of the rousing number "Step in Time." And because she's "practically perfect," actress Caroline Sheen as Mary Poppins even showed off her flying skills to the national TV audience. Step in time with the cast below!