“30 Rock” star, Tina Fey, timidly showed off her growing baby bump while signing several copies of her new book “Bossypants” for fans at Barnes & Noble Union Square in New York City on Friday (April 8)- more pictures below.

Tina Fey Ultra Sexy For Esquire (April 2010)

The 40 year-old actress, who is five months pregnant, announced that she and her husband, Jeff Richmond, were expecting their second child in an interview with Oprah to air on Tuesday (April 12).

How will Tina’s pregnancy affect Liz Lemon on “30 Rock”? The filming for the current season of the show is finished and the pregnancy is not expected to be included in the story line for the next season and production won’t be postponed.

Tina Fey As Sarah Palin In Foxy Skit For Saturday Night Live (Video)

“30 Rock” could be ending in 2012, according to actor Alec Baldwin. The actor said next season would be his last and that Tina is ready to launch a successful writing and directing career in movies. Alex already backpedalled on the imminent 30 Rock end.

Pregnant Tina Fey Promoting Bossypants Pictures

[images: Mr. Blue/wenn.com]