NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

NEW YORK, NY - NOVEMBER 02: In this handout photo provided by NBCUniversal, Christina Aguilera participates in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on November 02, 2012 in New York City, New York. (Photo by Heidi Gutman/NBCUniversal via Getty Images)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

HURRICANE SANDY: COMING TOGETHER -- Pictured: Christina Aguilera -- (Photo by: Heidi Gutman/NBC)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

NEW YORK, NY - NOVEMBER 02: In this handout photo provided by NBCUniversal, Christina Aguilera participates in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on November 02, 2012 in New York City, New York. (Photo by Heidi Gutman/NBCUniversal via Getty Images)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

HURRICANE SANDY: COMING TOGETHER -- Pictured: Christina Aguilera -- (Photo by: Heidi Gutman/NBC)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

NEW YORK, NY - NOVEMBER 02: In this handout photo provided by NBCUniversal, Christina Aguilera participates in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on November 02, 2012 in New York City, New York. (Photo by Heidi Gutman/NBCUniversal via Getty Images)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

NEW YORK, NY - NOVEMBER 02: In this handout photo provided by NBCUniversal, Christina Aguilera participates in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on November 02, 2012 in New York City, New York. (Photo by Heidi Gutman/NBCUniversal via Getty Images)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

HURRICANE SANDY: COMING TOGETHER -- Pictured: Christina Aguilera -- (Photo by: Heidi Gutman/NBC)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

NEW YORK, NY - NOVEMBER 02: In this handout photo provided by NBCUniversal, Christina Aguilera participates in NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit on November 02, 2012 in New York City, New York. (Photo by Heidi Gutman/NBCUniversal via Getty Images)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

HURRICANE SANDY: COMING TOGETHER -- Pictured: Christina Aguilera -- (Photo by: Heidi Gutman/NBC)

NBCUniversal's Hurricane Sandy: Coming Together Relief Benefit

HURRICANE SANDY: COMING TOGETHER -- Pictured: Christina Aguilera -- (Photo by: Heidi Gutman/NBC)