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.

30 Rock Was Born From The Ashes Of A Much Different Tina Fey Pitch

Tina Fey Calls Amy Poehler Her 'Work Wife': About Their 30-Year Friendship

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

The Internet Backlashed After Tina Fey Removed FOUR episodes of “30 Rock”

Tina Fey's Instagram, Twitter & Facebook on IDCrawl

Tina Fey reunites with '30 Rock' costars Jane Krakowski, Jack McBrayer

All about Tina Fey's famous husband and family as she reveals her daughters helped with new Mean Girls movie

Tina Fey Just Jared: Celebrity Gossip and Breaking Entertainment News, Page 2

Tina Fey Slammed By 'Mean Girls' Author Rosalind Wiseman As She Pursues Legal Action Against Paramount

Mean Girls clip goes viral as Tina Fey called out over anti-Asian joke