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 and Amy Poehler: sisters in comedy rip into the boys' club, Sisters

10 Shows & Moves We Didn't Know Tina Fey Produced

Tina Fey Interview 2016 - Tina Fey on Movie Whiskey Tango Foxtrot

30 Rock' keeps Tina Fey on fabulous roll

Are there common themes to Tina Fey's shows? - Quora

Mean Girls' Movie Musical Cast Guide: Meet the New Plastics

Tina Fey's Instagram, Twitter & Facebook on IDCrawl

Tina Fey's Instagram, Twitter & Facebook on IDCrawl

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

30 Rock - Wikipedia

Tina Fey on Ending 30 Rock and Liz Lemon's Future

Donald Glover says Tina Fey told him he was a diversity hire on '30 Rock' : r/Fauxmoi

Tina Fey takes her smarts from SNL to '30 Rock

Lohan, Rapp and stars of new 'Mean Girls' turn out for premiere — Naharnet

Mean Girls Sings, Dances, Insults, and Backstabs Its Way to Broadway