Britney Spears sings at Super Bowl XXXV in Tampa, Fla., on January 28, 2001. The Baltimore Ravens defeated the New York Giants 34-7. Photo by John SooHoo/UPI
Bono of the band U2 performs during Super Bowl XXXVI in New Orleans, on February 3, 2002. The New England Patriots defeated the St. Louis Rams 20-17. Photo by Dave Kennedy/UPI
Gwen Stefani (L), lead singer of No Doubt, and Sting perform at Super Bowl XXXVII in San Diego, on January 26, 2003. The Tampa Bay Buccaneers defeated the Oakland Raiders 48-21. Photo by Frank Polich/UPI
Shania Twain performs at halftime of Super Bowl XXXVII in San Diego on January 26, 2003. Tampa Bay defeated the Oakland Raiders 48-21. Photo by John Angelillo/UPI
Kid Rock performs at Super Bowl XXXVIII in Houston on February 1, 2004. The New England Patriots defeated the Carolina Panthers 32-29. Photo by Pat Benic/UPI