Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami. (AP Photo/Chris O'Meara)

Prince performs with a dancer during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Alex Brandon)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/David J. Phillip)

Prince performs during halftime at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Amy Sancetta)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Mark Duncan)

MIAMI GARDENS, FL - FEBRUARY 04: Prince performs during the "Pepsi Halftime Show" at Super Bowl XLI between the Indianapolis Colts and the Chicago Bears on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. The Colts defeated the Bears 29-17. (AP Photo/Scott Boehm)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Kevork Djansezian)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Chris O'Meara)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/David J. Phillip)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Chris O'Meara)

Prince performs during the "Pepsi Halftime Show" at Super Bowl XLI between the Indianapolis Colts and the Chicago Bears on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. The Colts defeated the Bears 29-17. (AP Photo/Scott Boehm)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Kevork Djansezian)

Prince performs during halftime of the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Kevork Djansezian)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Chris O'Meara)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Amy Sancetta)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Chris O'Meara)

Prince performs one of his dancers during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Kevork Djansezian)

Searchlights and fireworks illuminate Dolphin Stadium as Prince takes the stage in the halftime performance of the Super Bowl XLI football game in Miami on Sunday, Feb. 4, 2007. (AP Photo/Wilfredo Lee)

Prince and his band perform during halftime as the Indianapolis Colts do battle against the Chicago Bears in Super Bowl XLI on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. The Colts won 29-17. (AP Photo/Paul Spinelli)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Alex Brandon)

Prince performs during the halftime show at the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Julie Jacobson)

Prince performs during the halftime show at the the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Chris O'Meara)

Searchlights and fireworks illuminate Dolphin Stadium as Prince takes the stage in the halftime performance of the Super Bowl XLI football game in Miami on Sunday, Feb. 4, 2007. (AP Photo/Wilfredo Lee)

Prince performs during halftime of the Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Amy Sancetta)

Prince performs during the "Pepsi Halftime Show" at Super Bowl XLI between the Indianapolis Colts and the Chicago Bears on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. The Colts defeated the Bears 29-17. (AP Photo/Scott Boehm)

MIAMI GARDENS, FL - FEBRUARY 04: Prince performs during the "Pepsi Halftime Show" at Super Bowl XLI between the Indianapolis Colts and the Chicago Bears on February 4, 2007 at Dolphin Stadium in Miami Gardens, Florida. The Colts defeated the Bears 29-17. (AP Photo/Scott Boehm)

Prince performs during halftime of Super Bowl XLI football game at Dolphin Stadium in Miami on Sunday, Feb. 4, 2007. (AP Photo/Mark J. Terrill)