2012 NFL Kickoff concert (9 images)

No Doubt and Mariah Carey perform at the 2012 NFL Kickoff Concert at Rockefeller Center in New York City on September 5, 2012. UPI /John Angelillo

Gwen Stefani and No Doubt perform at the 2012 NFL Kickoff Concert at Rockefeller Center in New York City on September 5, 2012. UPI /John Angelillo

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Gwen Stefani and No Doubt perform at the 2012 NFL Kickoff Concert at Rockefeller Center in New York City on September 5, 2012. UPI /John Angelillo

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Mariah Carey performs at the 2012 NFL Kickoff Concert at Rockefeller Center in New York City on September 5, 2012. UPI /John Angelillo

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Mariah Carey performs at the 2012 NFL Kickoff Concert at Rockefeller Center in New York City on September 5, 2012. UPI /John Angelillo

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