A Philadelphia Eagles cheerleader performs in the first half of an NFL football game against the Carolina Panthers, Monday, Nov. 26, 2012, in Philadelphia. (AP Photo/Michael Perez)

A Philadelphia Eagles cheerleader performs in the first half of an NFL football game against the Carolina Panthers, Monday, Nov. 26, 2012, in Philadelphia. (AP Photo/Michael Perez)

A Philadelphia Eagles cheerleader performs in the second half of an NFL football game against the Carolina Panthers, Monday, Nov. 26, 2012, in Philadelphia. (AP Photo/Michael Perez)

A Kansas City Chiefs cheerleader during the first half of an NFL football game against the Denver Broncos at Arrowhead Stadium in Kansas City, Mo., Sunday, Nov. 25, 2012. (AP Photo/Charlie Riedel)

Nov 25, 2012; Indianapolis, IN, USA; Indianapolis Colts cheerleaders from left to right Crystal Ann and Megan M get their heads shaved by Colt mascot Blue during a game against the Buffalo Bills at Lucas Oil Stadium. The cheerleaders raised over $22,670 for cancer research in support of Colts coach Chuck Pagano who has leukemia. (Brian Spurlock/US Presswire)

November 25, 2012; Tampa, FL, USA; Tampa Bay Buccaneers cheerleaders perform during the second half of the game against the Atlanta Falcons at Raymond James Stadium. Atlanta defeated the Bucs 24 to 23. (Brad Barr/US Presswire)

Nov.25, 2012; Miami, FL, USA; Miami Dolphins cheerleaders perform during the second half against the Seattle Seahawks at Sun Life Stadium. The Dolphins won 24-21. (Steve Mitchell/US Presswire)

Nov.25, 2012; Miami, FL, USA; Miami Dolphins cheerleaders perform during the second half against the Seattle Seahawks at Sun Life Stadium. The Dolphins won 24-21. (Steve Mitchell/US Presswire)

October 26, 2012; Kansas City, MO, USA; Kansas City Chiefs cheerleaders perform for the crowd during the game against the Denver Broncos at Arrowhead Stadium. The Broncos won 17-9. (Denny Medley/US Presswire)

Nov 25, 2012; Cincinnati, OH, USA; Cincinnati Bengals cheerleader performs during the first half against the Oakland Raiders at Paul Brown Stadium. The Bengals defeated the Raiders 34-10. (Frank Victores-/US Presswire)

Nov 25, 2012; San Diego, CA, USA; San Diego Chargers girl cheerleaders perform during the game against the Baltimore Ravens at Qualcomm Stadium. (Kirby Lee/US Presswire)

November 25, 2012; Jacksonville, FL, USA; Jacksonville Jaguars cheerleaders perform during the game against the Tennessee Titans at EverBank Field. (Rob Foldy/US Presswire)

A Miami Dolphins cheerleader performs during the first half of an NFL football game against the Seattle Seahawks, Sunday, Nov. 25, 2012 in Miami . AP Photo/Gerry Broome)

The Indianapolis Colts cheerleaders perform during the first half of an NFL football game against the Buffalo Bills in Indianapolis, Sunday, Nov. 25, 2012. (AP Photo/AJ Mast)

Tampa Bay Buccaneers cheerleaders perform during an NFL Football game in Tampa, Fla., Sunday, Nov. 25, 2012. (AP Photo/Reinhold Matay)

San Diego Chargers cheerleaders perform during the first half of an NFL football game between the San Diego Chargers and the Baltimore Ravens Sunday, Nov. 25, 2012, in San Diego. (AP Photo/Denis Poroy)

Indianapolis Colts cheerleader Crystal Ann, left, and Kara Kindle have their heads shaved by the Blue the Colts mascot during the second half of an NFL football game between the Indianapolis Colts and the Buffalo Bills in Indianapolis, Sunday, Nov. 25, 2012. Money was raised for leukemia research in honor of head coach Chuck Pagano. (AP Photo/Darron Cummings)

A Tampa Bay Buccaneers cheerleader during the fourth quarter of an NFL football game against the Atlanta Falcons Sunday, Nov. 25, 2012, in Tampa, Fla. (AP Photo/Chris O'Meara)

Cincinnati Bengals cheerleaders perform in the first half of an NFL football game against the Oakland Raiders, Sunday, Nov. 25, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

A Jacksonville Jaguars cheerleader performs on the sideline during the second half of an NFL football game against the Tennessee Titans in Jacksonville, Fla., Sunday, Nov. 25, 2012. The Jaguars won 24-19.(AP Photo/Phelan M. Ebenhack)

A Cincinnati Bengals cheerleader performs in the second half of an NFL football game against the Oakland Raiders, Sunday, Nov. 25, 2012, in Cincinnati. (AP Photo/Tom Uhlman)

Indianapolis Colts cheerleader Kara Kindle has her head shaved by the Blue the Colts mascot during the second half of an NFL football game between the Indianapolis Colts and the Buffalo Bills in Indianapolis, Sunday, Nov. 25, 2012. Money was raised for leukemia research in honor of head coach Chuck Pagano. (AP Photo/Darron Cummings)

Jacksonville Jaguars cheerleaders perform during the first half of an NFL football game against the Tennessee Titans, Sunday, Nov. 25, 2012, in Jacksonville, Fla. (AP Photo/Phelan M. Ebenhack)

Miami Dolphins Cheerleaders perform during the first half of an NFL football game between the Miami Dolphins and the Seattle Seahawks, Sunday, Nov. 25, 2012 in Miami. (AP Photo/Wilfredo Lee)

A member of the Dallas Cowboys cheerleaders performs during an NFL football game against the Washington Redskins Thursday, Nov. 22, 2012, in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys cheerleaders perform during a break against the Washington Redskins during the first half of an NFL football game Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Matt Strasen)

Dallas Cowboys cheerleaders perform during a break against the Washington Redskins during the second half of an NFL football game Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Matt Strasen)

A Dallas Cowboys cheerleader watches action against the Washington Redskins during the second half of an NFL football game Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys cheerleaders perform during the second half of an NFL football game against the Washington Redskins Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Tim Sharp)

Dallas Cowboys cheerleaders perform during the second half of an NFL football game against the Washington Redskins Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Matt Strasen)

A Dallas Cowboys cheerleader performs during the second half of an NFL football game against the Washington Redskins Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Tim Sharp)

Members of the Dallas Cowboys cheerleaders perform during the first half of an NFL football game Thursday, Nov. 22, 2012 in Arlington, Texas. (AP Photo/Tim Sharp)

New York Jets cheeleaders perform during the second half of an NFL football game against the New England Patriots Thursday, Nov. 22, 2012 in East Rutherford, N.J. (AP Photo/Bill Kostroun)

New York Jets cheerleaders performs during the first half of an NFL football game against the New England Patriots Thursday, Nov. 22, 2012 in East Rutherford, N.J. (AP Photo/Bill Kostroun)

A New York Jets cheerleader performs during the first half of an NFL football game against the New England Patriots Thursday, Nov. 22, 2012 in East Rutherford, N.J. (AP Photo/Julio Cortez)

New York Jets cheerleaders perform during the first half of an NFL football game Thursday, Nov. 22, 2012 in East Rutherford, N.J. (AP Photo/Bill Kostroun)

Nov 22, 2012; East Rutherford, NJ, USA; New York Jets cheerleaders perform during the half time show in the game against the New England Patriots on Thanksgiving at Metlife Stadium. Mandatory Credit: Ed Mulholland-US PRESSWIRE

Nov 22, 2012; East Rutherford, NJ, USA; New York Jets cheerleaders perform during the half time show in the game against the New England Patriots on Thanksgiving at Metlife Stadium. Mandatory Credit: Ed Mulholland-US PRESSWIRE

New York Jets cheerleaders perform during the first half of an NFL football game against the New England Patriots Thursday, Nov. 22, 2012 in East Rutherford, N.J. (AP Photo/Julio Cortez)