Black Eyed Peas singer Fergie and her husband, actor Josh Duhamel (right), walk on the sidelines during the first quarter of an NFL football game between the San Francisco 49ers and the Miami Dolphins in San Francisco on  Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)

Photo by: Marcio Jose Sanchez

Black Eyed Peas singer Fergie and her husband, actor Josh Duhamel (right), walk on the sidelines during the first quarter of an NFL football game between the San Francisco 49ers and the Miami Dolphins in San Francisco on Dec. 9, 2012. (AP Photo/Marcio Jose Sanchez)