Christina Aguilera sings the National Anthem at Super Bowl XLV (45) on Sunday 2-6-2011 and messed it up BIG time! She left out the "O'er the ramparts we watched" line altogether. Watch her struggle with the lyrics... OMG! What is wrong with you girl!!!Game between the Green Bay Packers 31 and the Pittsburgh Steelers 25 @ Cowboy Stadium in Arlington, Texas. Aaron Rodgers wins the MVP.