The 47-year-old actress-writer also opened up to ET about a possible '30 Rock' reboot at the opening night of the Broadway musical, 'Mean Girls,' on Sunday.
It's been 14 years since Mean Girls came into our lives, and even if "so fetch" still hasn't happened, we're still pretty grateful for every gleefully biting quote that came with it.
And it turns out, Tina Fey is too! The 47-year-old actress stepped out Sunday for the opening night of the Broadway musical, Mean Girls.
ET's Lauren Zima caught up with Fey and her husband, Jeff Richmond, on the appropriately pink carpet -- even if it wasn't a Wednesday! -- where the funny lady revealed her favorite line from the 2004 film.
"I don't know if its broadcast-able, but it's my favorite line -- I usually say, It's not my fault that I have a heavy flow and a wide set vagina,'" Fey, who wrote both the original screenplay and the book for the Broadway musical, revealed, adding, "Can you use that?"
Don't worry -- we sure can write that. And we agree, it's a pretty epic line.
Fey also admitted that she was thrilled to see her Hollywood baby make its Broadway debut. "It's really exciting to be here. I feel a little bit like its our wedding again because we're like, 'OK, who's got Grandma? Who's driving,'" she joked. "I'm really excited for this young cast, for people to see them. They're so good."
As for Richmond, who composed the musical and frequently collaborates with his wife, he was happy to support both the play and Fey. "We work together a lot, to be honest, but this was a particularly delightful experience," he told ET before telling Fey, "You're very good, even when you're not the boss."
And since we're currently in a world of TV reboots, ET couldn't help but ask Fey about the possibility of future 30 Rock episodes.
"Oh my gosh, we'll see... We would know by May [at the NBC upfronts] if there was a great idea for a reboot... I don't know what's gonna happen," Fey said.
"No one knows," Richmond added.
ET also spoke with Fey's 30 Rock co-star, Jane Krakowski, at Mean Girls' opening night, and she had even more to say about getting back together with her former cast.
"I've heard some interest," the 49-year-old actress admitted. "I think we would all obviously love to get back together. I mean, everything old is new again."
"It would be amazing," she added. "It was one of the best experiences of all of our lives and our careers, so it would be great fun to get back together, but I don't know if there's anything official."
Fingers crossed!
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