The writer of both movies reveals her favorite new joke.

As you might expect, the newMean Girlsmusical movie is full of callbacks to the original 2004 film.

But that’s not its only point of reference to millennial teen culture.

Tina Fey plays Ms. Norbury in Mean Girls from Paramount Pictures.

Jojo Whilden/Paramount

That was Damian Hubbard singing theiCarlytheme song in French for extra credit, the principal says.

Oh, my gosh, thatiCarlything, Fey saidin a new interview withUSA Today.

The fact that made it in, and that (the movie) committed to it so hard.

That probably brings me the most joy of all the new things."

So that joke is mostly for him."

Does that mean the newMean Girlstakes place in the same continuity as the original?

Fey says that’s for you to decide.

Mean Girlsis in theaters now.

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