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.

Mean Girls' still teases but doesn't overshadow

Tina Fey Asks For 30 Rock Episodes Featuring Blackface to Be Removed From All Platforms

Tina Fey Doesn't Invite Lindsay Lohan To Broadway Mean Girls Premiere

30 Rock enters sixth and final season: we don't want to go to there, 30 Rock

30 Rock': Tina Fey Reveals How She Kept The Struggling Show Alive

How Tina Fey's Chicago love story led to the movie and musical 'Mean Girls' – Chicago Tribune

Mean Girls' author: Tina Fey paid me nothing for hit franchise

Tina Fey and Husband Jeff Richmond Attend 'Mean Girls' Premiere

Tina Fey To Headline 'The Four Seasons' Comedy Series For Netflix

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

Tina Fey: '30 Rock' Star And Creator Moves On

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

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

Tina Fey on creating Mean Girls: 'There were real Mean Girls back in my high-school days