Music News Christina Aguilera to sing the national anthem at Super Bowl XLV 01/24/2011 Christina Aguilera is to sing "The Star-Spangled Banner" as part of the Super Bowl XLV pregame show at Cowboys Stadium in North Texas, the NFL said Monday. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Christina Aguilera