NEW ORLEANS, LA – JANUARY 31: Singer Beyonce sings the national anthem before she addresses the media during the Pepsi Super Bowl XLVII Halftime Show press conference at the media center on January 31, 2013 in New Orleans, Louisiana. Beyonce will perform at halftime as the San Francisco 49ers will take on the Baltimore Ravens on February 3, 2013 at the Mercedes-Benz Superdome. (Photo by Mike Lawrie/Getty Images)