'Tis the time of year when many a homeowner longs to hear four simple words: "It's a beaut, Clark!" And one lucky family will hear more than that with the Season 10 finale of America's brightest show. Lifestyle expert Carter Oosterhouse and famed interior designer Taniya Nayak – along with celebrity judges and Christmas decor aficionados – are knee-deep in holiday displays as viewers will once again see one fantastic family win $50,000 and the coveted Light Fight Trophy.