Christina Aguilera tried to make up for it by combining two lines — “What so proudly we watched,” instead of “What so proudly we hailed” — but let’s just say that it was too late to reverse the error. Twitter blew up, and all Aguilera could do was to oversing every word from there on out, which she most certainly did.

In case you haven’t seen it yet, here’s the full performance:

On Monday, Aguilera explained her gaffe.

“I got so caught up in the moment of the song that I lost my place,” she said. “I can only hope that everyone could feel my love for this country and that the true spirit of its anthem still came through.”