The Whiskey Tango Foxtrot star also noted to host Andy Cohen that the production -- penned with her husband, composer Jeff Richmond -- would feature more classic, Broadway-style music than pop-skewing, Bring It On: The Musical-like songs. Though a song in tribute to Cady Heron's love of Ladysmith Black Mambazo is "tricky -- Book of Mormon really kinda nailed that genre!" Fey quipped.
Of the plot, she said, "We haven't finished it yet, but it's close -- yes, pretty close" to that of the Paramount film she wrote, which grossed $129 million worldwide. They're currently having trouble figuring out where the first act would end, and what would be the big "11 o'clock number," or the climactic song toward the end of the second half: "[It] might be the girl fight."
Ariana Grande Shares Movie Wisdom on Twitter
Fey also said she wouldn't reprise her own onscreen role or reach out to the original cast to do so onstage.
And when will it debut? "2027," joked Fey, "[or] whenever Hamilton closes. We'll wait it out."
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This article was originally published by The Hollywood Reporter.