See Christina Aguilera's lyrical malfunction at Super Bowl
Hey, given the game's history with sexy pop singers, this could have been much worse.
(UPDATE: Xtina sez she just got excited during the banner performance and lost her way. She also says she's been singing the song since she was 7 years old, so maybe she just took it for granted that she actually knew the words.)
Listen for the select words in the first line, in the middle verse and in very last line to hear the mistakes. What made this so priceless, was that naysayers were l ined up to complain about an overlong, overly sung Star Spangled Banner.
Nobody expected her to forget the words.
And, despite her misstep, must say I still love her voice: