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
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
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 Stock Photo
Football's most creative Halloween costumes
Photo gallery: NFL cheerleaders celebrate Halloween
NFL's Halloween Cheerleaders - Sports Illustrated
NFL's Halloween Cheerleaders - Sports Illustrated
NFL cheerleaders dress for Halloween
NFL cheerleaders in costume