Thankfully, the audience loves her enough to not care about the silly mistake. In fact, it must have made them love her even more!
WATCH: Billie Eilish forget the words of her own song performing at Coachella
"What the f*** are the words, though?"
Billie Eilish hasn't been performing live for very long, but in her short years, she's made some pretty funny blunders on stage.
Most recently, the young singer totally forgot the words to her own song while singing "All the Good Girls Go To Hell" at Coachella.
WATCH BELOW: