 Fey broke into comedy as a featured player in the Chicago @-@ based improvisational comedy group The Second City . She then joined SNL as a writer , later becoming head writer and a performer , known for her position as co @-@ anchor in the Weekend Update segment . In 2004 , she co @-@ starred in and wrote the screenplay for Mean Girls , which was adapted from the 2002 self @-@ help book Queen Bees and <unk> . After leaving SNL in 2006 , she created the television series 30 Rock for Broadway Video , a situation comedy loosely based on her experiences at SNL . In the series , Fey portrays the head writer of a fictional sketch comedy series . In 2008 , she starred in the comedy film Baby Mama , alongside former SNL co @-@ star Amy Poehler . Fey next appeared in the 2010 comedy film Date Night and the animated film Megamind . In 2015 , she created and produced the television series Unbreakable Kimmy Schmidt , originally for NBC and eventually for Netflix . Her recent films include Sisters and Whiskey <unk> <unk> . 
