By Adam B. Vary
April 06, 2011 at 12:00 PM EDT

Tina Fey revealed that she is five months pregnant with her second child during a taping of The Oprah Winfrey Show on Wednesday, People reports. The 40-year-old 30 Rock star and her husband Jeff Richmond also have a 5-year-old daughter. Fey was on Oprah to discuss her new book, Bossypants; an excerpt from it in which Fey discusses her personal dilemma about whether or not she should have a second child appeared in The New Yorker in February. The Oprah interview is set to air on April 12.

Read more:

Tina Fey’s ‘Bossypants’: EW review

’30 Rock’: Talk of demise premature

Tina Fey explains the difference between male and female comedy writers in The New Yorker: ‘The men urinate in cups’

After a taste of Tina Fey’s prose in ‘The New Yorker’, we want more!