In professional American football, the Super Bowl is the championship game of the National Football League (NFL). The game and its ancillary festivities constitute Super Bowl Sunday. Over the years it has become the most-watched U.S. television broadcast of the year, and has become likened to a de facto U.S. national holiday. In addition, many popular singers and musicians have performed during the Super Bowl's pre-game and halftime ceremonies. Super Bowl Sunday is the second-largest U.S. food consumption day, following Thanksgiving.

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