Alicia Keys and Jennifer Hudson perform at Super Bowl Pregame Show

Alicia Keys sings the National Anthem and Jennifer Hudson performs "America The Beautiful" with the Sandy Hook Elementary School Choir before the start of Super Bowl XLVII between the San Francisco 49ers and the Baltimore Ravens in New Orleans.

Pepsi Super Bowl XLVII Pregame Show

A group of 26 students from the Sandy Hook Elementary School in Newtown, Connecticut perform America the Beautiful with singer Jennifer Hudson during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Kevin Mazur/WireImage)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Alicia Keys performs the National Anthem during Super Bowl XLVII between the Baltimore Ravens and the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christian Petersen/Getty Images)

Super Bowl XLVII

Jennifer Hudson and a choir from Newtown, Connecticut, perform before the start of Super Bowl XLVII at the Mercedes-Benz Superdome in New Orleans, Louisiana, Sunday, February 3, 2013. (Harry E. Walker/MCT)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Alicia Keys performs the National Anthem prior to the start of Super Bowl XLVII between the Baltimore Ravens and the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Jennifer Hudson performs "America The Beautiful" with the Sandy Hook Elementary School Chorus prior to the start of Super Bowl XLVII between the San Francisco 49ers and the Baltimore Ravens at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jamie Squire/Getty Images)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Alicia Keys bows after singing the National Anthem prior to the start of Super Bowl XLVII between the Baltimore Ravens and the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jamie Squire/Getty Images)

Pepsi Super Bowl XLVII Pregame Show

A group of 26 students from the Sandy Hook Elementary School in Newtown, Connecticut perform America the Beautiful with singer Jennifer Hudson during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Kevin Mazur/WireImage)

Super Bowl XLVII - Baltimore Ravens v San Francisco 49ers

Alicia Keys performs the National Anthem prior to the start of Super Bowl XLVII between the Baltimore Ravens and the San Francisco 49ers at the Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)

Pepsi Super Bowl XLVII Pregame Show

Swiss Beatz and Alicia Keys arrive to the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christopher Polk/Getty Images)

Pepsi Super Bowl XLVII Pregame Show

Jennifer Hudson attends the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Kevin Mazur/WireImage)

Pepsi Super Bowl XLVII Pregame Show

Alicia Keys performs during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christopher Polk/Getty Images)

Pepsi Super Bowl XLVII Pregame Show

A group of 26 students from the Sandy Hook Elementary School in Newtown, Connecticut perform America the Beautiful with singer Jennifer Hudson during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jeff Kravitz/FilmMagic)

Pepsi Super Bowl XLVII Pregame Show

Alicia Keys attends the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Kevin Mazur/WireImage)

Pepsi Super Bowl XLVII Pregame Show

A group of 26 students from the Sandy Hook Elementary School in Newtown, Connecticut perform America the Beautiful with singer Jennifer Hudson during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Jeff Kravitz/FilmMagic)

Pepsi Super Bowl XLVII Pregame Show

Alicia Keys performs during the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Christopher Polk/Getty Images)

Pepsi Super Bowl XLVII Pregame Show

Alicia Keys attends the Pepsi Super Bowl XLVII Pregame Show at Mercedes-Benz Superdome on February 3, 2013 in New Orleans, Louisiana. (Photo by Kevin Mazur/WireImage)