Singer Mariah Carey performs at the lighting ceremony for the 82nd Rockefeller Center Christmas tree at Rockefeller Center in midtown Manhattan in New York City

Singer Mariah Carey performs at the lighting ceremony for the 82nd Rockefeller Center Christmas tree at Rockefeller Center in midtown Manhattan in New York City

Singer Mariah Carey performs at the lighting ceremony for the 82nd Rockefeller Center Christmas tree at Rockefeller Center in midtown Manhattan in New York City, December 3, 2014. REUTERS/Mike Segar (UNITED STATES – Tags: ENTERTAINMENT SOCIETY)