Tina Fey didn't know she worked with 'Mean Girls' star on '30 Rock'

Tina Fey says that casting Gretchen Wieners in the new 'Mean Girls' movie musical was a tough task – and she ended up choosing an actress she'd worked with on '30 Rock' without realizing it.

Tina Fey to star in 'The Four Seasons' series at Netflix

30 Rock': Tina Fey Says Alec Baldwin Saved the Show From Being Canceled

Tina Fey, Alec Baldwin on '30 Rock' series finale - Newsday

Tina Fey - News - IMDb

The Tina Fey effect: how the original Mean Girl made comedy smarter

Tina Fey requests removal of 30 Rock episodes featuring blackface - Mirror Online

Tina Fey's biggest pop culture moments after 24 years of TV history, TV & Radio, Showbiz & TV

30 Rock: 10 Projects The Cast Worked On Together Outside The Show

Mean Girls: The returning actors in the new movie