They do it every year.
3 seconds sound clip from the Mean Girls (2004) movie soundboard.
You can hear this line at 00:32:45 in the Blu-ray version of the movie.
Quote context
[...]
- All right, let's reconvene tonight.
- I can't. I have to go to Regina's to practice for the talent show.
- We're doing a dance to this song...
- Everybody in the English-speaking world knows that song.
- Go.
- Hey. (7)
- Why were you talking to Janis Ian?
[...]