With seven Grammys to their name, they may have mastered country music, but Lady Antebellum may need to head back to the classroom to study the National Anthem.
The trio was tapped to sing the Star Spangled Banner before Saturday's Game 5 of the NHL playoffs between the Nashville Predators and Winnipeg Jets in the Music City.
It all went wrong when Charles Kelley jumped from "through the perilous fight" to "were so gallantly streaming."
After some confused looks and a pause that must have felt like eternity, Kelley, Hillary Scott and Dave Haywood finished up the song.
Then they tweeted about the mistake.
The Predators also failed... losing to the Jets 6-2 and face elimination in Winnipeg tonight.