Christina Aguilera will sing the US national anthem at the Super Bowl in Texas on February 6.
The five-time Grammy award winning star will be making an encore at the NFL championship. She was part of the half-time show during the 2000 Super Bowl.
The NFL and Fox made the announcement yesterday (January 24).
Other stars to have sung the national anthem at the Super Bowl include Carrie Underwood, Billy Joel, Diana Ross, Neil Diamond, Mariah Carey and Beyonce Knowles.
The previously announced half-time show will feature the Black Eyed Peas.
The Pittsburgh Steelers will play the Green Bay Packers at Cowboys Stadium in Arlington, Texas, for the NFL title.