Beyonce's Super Bowl halftime show

Beyonce performs during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Beyonce performs during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Beyonce performs during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Beyonce, center, Kelly Rowland, left, and Michelle Williams, of Destiny's Child, perform during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Marcio Sanchez)

Beyonce, center, Kelly Rowland, right, and Michelle Williams, left, of Destiny's Child, perform during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Patrick Semansky)

Beyonce performs during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Charlie Riedel)

Beyonce performs during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)

Beyonce performs with Kelly Rowland, left, and Michelle Williams, right, of Destiny's Child, during the halftime show of the NFL Super Bowl XLVII football game between the San Francisco 49ers and the Baltimore Ravens, Sunday, Feb. 3, 2013, in New Orleans. (AP Photo/Gerald Herbert)