For many people, the key to the Big Game is the halftime show. There has been no shortage of mega-stars to take the stage over the years.Perhaps just as important to many, are the pre-game ceremonies, including the National Anthem. The list of celebrities to have that honor is also a who's who of the music and entertainment biz. And this year, another name will be added to the list. Multiple sources are quoting an anonymous source, who says Alicia Keys has been tapped to perform this year's National Anthem.As far as the halftime show, that honor goes to Beyonce.This year's Big Game is in New Orleans on Feb. 3rd. The teams will be determined on Sunday, January 20th.