New York - Rockefeller Christmas tree lights up - Pictures - CBS News Credit: Jemal Countess/Getty Images Mariah Carey rehearses for "Christmas in Rockefeller Center." Credit: Giovanni Rufino/NBC The Rockefeller Center Christmas tree shines in New York, Dec. 4, 2013. Some 45,000 energy efficient LED lights adorn the 76-foot tree. Credit: Kathy Willens/AP Mary J. Blige performs during 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Credit: Stephen Lovekin/Getty Images Kelly Clarkson rehearses for "Christmas in Rockefeller Center." Credit: David Giesbrecht/NBC The Goo Goo Dolls perform before the Rockefeller Center Christmas Tree is lit, Dec. 4, 2013. Credit: Stan Honda/AFP/Getty Images The Radio City Music Hall Rockettes perform before the Rockefeller Center Christmas Tree is lit, Dec. 4, 2013. John Rzeznik and the Goo Goo Dolls perform during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. General atmosphere during the 81st Annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Ashanti rehearses for "Christmas in Rockefeller Center." General atmosphere during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Miss. Universe Gabriela Isler arrives during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Jewel performs before the Rockefeller Center Christmas Tree is lit, Dec. 4, 2013. Spectators enjoy the celebration during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Leona Lewis performs during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Members of the musical "Rockettes" perform during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. The Swarovski star shines atop the Rockefeller Center Christmas tree after it was lit during a ceremony, Dec. 4, 2013. Lauren Alaina performs during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Spectators gather to watch the 81st Annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. Jewel performs during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. General atmosphere during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. Television news hosts Natalie Morales, Savannah Guthrie, Al Roker and Matt Lauer arrive during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. Jewel performs before the Rockefeller Center Christmas tree lighting, Dec. 4, 2013. Mary J. Blige performs during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony at Rockefeller Center, Dec. 4, 2013. Spectators enjoy the celebration during the 81st annual Rockefeller Center Christmas Tree Lighting Ceremony, Dec. 4, 2013. John Rzeznik, lead singer of the Goo Goo Dolls, sings before the lighting of the Rockefeller Center Christmas tree, Dec. 4, 2013. A young woman stands at a podium that was used to light the Rockefeller Center Christmas tree as others take photographs of the tree, Dec. 4, 2013. The Rockettes perform before the lighting of the Rockefeller Center Christmas tree, Dec. 4, 2013. The Rockefeller Center Christmas tree is shown surrounded by angels in a view from the Channel Gardens, Dec. 4, 2013, in New York.