Season 10 premieres with back-to-back episodes as the "lit" series showcases America's brightest houses with the help of celebrity judges and Christmas décor aficionados. Lifestyle expert Carter Oosterhouse and famed interior designer Taniya Nayak take viewers across the country to the most elaborate and awe-inspiring holiday displays in the nation as viewers will once again see four fantastic families compete to win $50,000 and the coveted Light Fight Trophy.