San Francisco 49ers cheerleaders perform in a game against the Chicago Bears at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

A New England Patriots cheerleader cheers for her team during the game against the Indianapolis Colts at Gillette Stadium on November 18, 2012 in Foxboro, Massachusetts. New England won 59-24. (Aaron M. Sprecher/NFL)

A San Francisco 49ers cheerleader performs during the first half of an NFL football game between the San Francisco 49ers and the Chicago Bears in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cheerleaders perform during the first half of an NFL football game between the San Francisco 49ers and the Chicago Bears in San Francisco, Monday, Nov. 19, 2012. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cheerleaders perform in a game against the Chicago Bears at Candlestick Park in San Francisco, California on November 19, 2012. (Ric Tapia/NFL)

A Washington Redskins cheerleader salutes during a Salute to Service routine during the second half of an NFL football game against the Philadelphia Eagles in Landover, Md., Sunday, Nov. 18, 2012. The Washington Redskins defeated the Philadelphia Eagles 31-6. (AP Photo/Nick Wass)

Buffalo Bills cheerleaders perform during the first half of an NFL football game Thursday, Nov. 15, 2012 in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills cheerleaders perform during the first half of an NFL football game between the Buffalo Bills and the Miami Dolphins Thursday, Nov. 15, 2012 in Orchard Park, N.Y. (AP Photo/Gary Wiepert)

Buffalo Bills cheerleaders perform during the first half of an NFL football game between the Buffalo Bills and the Miami Dolphins Thursday, Nov. 15, 2012 in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Buffalo Bills cheerleaders perform during the second half of an NFL football game against the Miami Dolphins Thursday, Nov. 15, 2012 in Orchard Park, N.Y. (AP Photo/Bill Wippert)

Atlanta Falcons cheerleaders perform while wearing a "salute to service," uniforms before the first half of an NFL football game against the Arizona Cardinals, Sunday, Nov. 18, 2012, in Atlanta. (AP Photo/John Bazemore)

A Kansas City Chiefs cheerleader performs during an NFL football game against the Cincinnati Bengals Sunday, Nov. 18, 2012, in Kansas City, MO. (AP Photo/Ed Zurga)

A Washington Redskins Cheerleader performs during the NFL game between the Philadelphia Eagles and the Washington Redkins on Sunday, November 18th 2012 in Philadelphia. The Redskins won 31-6. (AP Photo/Brian Garfinkel)

The Washington Redskins cheerleaders perform during the first half of an NFL football game against the Philadelphia Eagles in Landover, Md., Sunday, Nov. 18, 2012. (AP Photo/Nick Wass)

Carolina Panthers cheerleaders perform during the first half of an NFL football game between the Carolina Panthers and the Tampa Bay Buccaneers in Charlotte, N.C., Sunday, Nov. 18, 2012. (AP Photo/Bob Leverone)

Oakland Raiders cheerleaders perform during the first quarter of an NFL football game against the New Orleans Saints in Oakland, Calif., Sunday, Nov. 18, 2012. (AP Photo/Marcio Jose Sanchez)

A Kansas City Chiefs cheerleader during the first half of an NFL football game against the Cincinnati Bengals Sunday, Nov. 18, 2012, in Kansas City, Mo. (AP Photo/Ed Zurga)

Atlanta Falcons cheerleaders perform while wearing a "salute to service," uniforms before the first half of an NFL football game against the Arizona Cardinals, Sunday, Nov. 18, 2012, in Atlanta. (AP Photo/John Bazemore)

Kansas City Chiefs cheerleaders during the second half of an NFL football game against the Cincinnati Bengals Sunday, Nov. 18, 2012, in Kansas City, Mo. (AP Photo/Ed Zurga)

Kansas City Chiefs cheerleaders during the second half of an NFL football game against the Cincinnati Bengals Sunday, Nov. 18, 2012, in Kansas City, Mo. (AP Photo/Ed Zurga)

St. Louis Rams cheerleaders perform during the fourth quarter of an NFL football game between the St. Louis Rams and the New York Jets Sunday, Nov. 18, 2012, in St. Louis. The Jets won, 27-13. (AP Photo/L.G. Patterson)

A Carolina Panthers cheerleader performs during the second half of an NFL football game against the Tampa Bay Buccaneers in Charlotte, N.C., Sunday, Nov. 18, 2012. (AP Photo/Bob Leverone)

Oakland Raiders cheerleaders before an NFL football game against the New Orleans Saints in Oakland, Calif., Sunday, Nov. 18, 2012. (AP Photo/Ben Margot)

Kansas City Chiefs cheerleaders during the second half of an NFL football game against the Cincinnati Bengals Sunday, Nov. 18, 2012, in Kansas City, Mo. (AP Photo/Ed Zurga)

Carolina Panthers cheerleaders perform during the first half of an NFL football game between the Carolina Panthers and the Tampa Bay Buccaneers in Charlotte, N.C., Sunday, Nov. 18, 2012. (AP Photo/Bob Leverone)

Supporting the NFL's Salute to Service the Washington Redskins cheerleaders perform during the second half of an NFL football game against the Philadelphia Eagles in Landover, Md., Sunday, Nov. 18, 2012. (AP Photo/Alex Brandon)

A Washington Redskins Cheerleader perform during the NFL game between the Philadelphia Eagles and the Washington Redkins on Sunday, November 18th 2012 in Philadelphia. The Redskins won 31-6. (AP Photo/Brian Garfinkel)

Houston Texans cheerleaders perform before an NFL football game against the Jacksonville Jaguars Sunday, Nov. 18, 2012, in Houston. (AP Photo/Dave Einsel)

Oakland Raiders cheerleader preforms during the NFL game between the New Orleans Saints and the Oakland Raiders at the O.co Coliseum in Oakland, California on October 18, 2012. (Ric Tapia/NFL)

Oakland Raiders cheerleader preforms during the NFL game between the New Orleans Saints and the Oakland Raiders at the O.co Coliseum in Oakland, California on October 18, 2012. (Ric Tapia/NFL)