Elizabeth Stamatina “Tina” Fey (/ˈfeɪ/; born 18 May 1970 in Upper Darby, Pennsylvania) is an American actress, comedian, writer, and producer. She is best known for her work on the NBC sketch comedy series Saturday Night Live (1998–2006), the critically acclaimed NBC comedy series 30 Rock (2006–2013), and films such as Mean Girls (2004), Baby Mama (2008), Date Night (2010), and Muppets Most Wanted (2014).