A St. Louis Rams cheerleader performs during the fourth quarter of an NFL football game Sunday, Oct. 30, 2011, in St. Louis. (AP Photo/Tom Gannam)

Oct, 30, 2011; Charlotte, NC, USA; Carolina Panthers cheerleaders perform in the fourth quarter. The Vikings defeated the Panthers 24-21 at Bank of America Stadium. Mandatory Credit: Bob Donnan-US PRESSWIRE

San Francisco 49ers cheerleaders wear jerseys for breast cancer awareness before an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Marcio Jose Sanchez)

Wearing a Superman costume a Baltimore Ravens performs during the second half of an NFL football game against the Arizona Cardinals in Baltimore, Sunday, Oct. 30, 2011. (AP Photo/Nick Wass)

Tennessee Titans cheerleaders perform in the second quarter of an NFL football game on Sunday, Oct. 30, 2011, in Nashville, Tenn. (AP Photo/Frederick Breedon)

Tennessee Titans cheerleaders perform in the second quarter of an NFL football game on Sunday, Oct. 30, 2011, in Nashville, Tenn. (AP Photo/Frederick Breedon)

A Tennessee Titans cheerleader performs in the second quarter of an NFL football game between the Titans and the Indianapolis Colts on Sunday, Oct. 30, 2011, in Nashville, Tenn. (AP Photo/Wade Payne)

Carolina Panthers cheerleaders perform during the second quarter of an NFL football game against the Minnesota Vikings in Charlotte, N.C., Sunday, Oct. 30, 2011. (AP Photo/Chuck Burton)

Oct 30, 2011; St. Louis, MO, USA; St. Louis Rams cheerleaders perform during the first half against the New Orleans Saints at the Edward Jones Dome. Mandatory Credit: Jeff Curry-US PRESSWIRE

A St. Louis Rams cheerleader performs during the second quarter of an NFL football game against the New Orleans Saints Sunday, Oct. 30, 2011, in St. Louis. (AP Photo/Jeff Roberson)

The San Francisco 49ers cheerleaders entertain during the second quarter of an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Marcio Jose Sanchez)

Houston Texans cheerleaders in the fourth quarter of an NFL football game Sunday, Oct. 30, 2011, in Houston. (AP Photo/David J. Phillip)

The Philadelphia Eagles cheerleaders perform with pink pom poms in the first half an NFL football game with the Dallas Cowboys Sunday, Oct. 30, 2011 in Philadelphia. (AP Photo/Matt Slocum)

The Philadelphia Eagles cheerleaders use pink pom poms in the first half of an NFL football game with the Dallas Cowboys Sunday, Oct. 30, 2011 in Philadelphia. (AP Photo/Michael Perez)

Oct 30, 2011; Seattle, WA, USA; Seattle Seahawks cheerleaders perform during the game against the Cincinnati Bengals at CenturyLink Field. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

October 30, 2011; San Francisco, CA, USA; San Francisco 49ers cheerleaders perform during the fourth quarter against the Cleveland Browns at Candlestick Park. The 49ers defeated the Browns 20-10. Mandatory Credit: Kyle Terada-US PRESSWIRE

Oct 30, 2011; Seattle, WA, USA; Seattle Seahawks cheerleader performs during the game against the Cincinnati Bengals at CenturyLink Field. Mandatory Credit: Kirby Lee/Image of Sport-US PRESSWIRE

Oct 30, 2011; Baltimore, MD, USA; Baltimore Ravens cheerleaders entertain fans with their Halloween costumes during the game against the Arizona Cardinals at M&T Bank Stadium. Mandatory Credit: Mitch Stringer-US PRESSWIRE

A Denver Broncos cheerleader performs on the field during a timeout in the third quarter of an NFL football game against the Detroit Lions, Sunday, Oct. 30, 2011, in Denver. (AP Photo/Jack Dempsey)

The Buffalo Bills cheerleaders perform on the sidelines during the first half of an NFL football game against the Washington Redskins at the Rogers Centre in Toronto, Sunday, Oct. 30, 2011. (AP Photo/Derek Gee)

San Francisco 49ers cheerleaders wear Halloween costumes in the third quarter of an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Ben Margot)

San Francisco 49ers cheerleaders are shown in Halloween costumes in the third quarter of an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Marcio Jose Sanchez)

A St. Louis Rams cheerleader performs during the fourth quarter of an NFL football game against the New Orleans Saints Sunday, Oct. 30, 2011, in St. Louis. (AP Photo/Seth Perlman)

San Francisco 49ers cheerleaders are shown in Halloween costumes in the third quarter of an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Marcio Jose Sanchez)

San Francisco 49ers cheerleaders are shown in Halloween costumes in the third quarter of an NFL football game against the Cleveland Browns in San Francisco, Sunday, Oct. 30, 2011. (AP Photo/Marcio Jose Sanchez)