The country superstar won't be alone in singing America's praises. Queen Latifah (Lah-TEE'-fah) will perform "America the Beautiful" as well.
Underwood joins other big names who have sung the national anthem at the game, includiing Beyonce, Billy Joel and Whitney Houston.
The Feb. 7 Super Bowl in Miami pits the Indianapolis Colts against the New Orleans Saints.
The Who will provide halftime entertainment.
The Super Bowl will be shown live on CBS.
