News Baby News: Jenna Fischer Gives Birth Published 11:11 AM PDT, October 3, 2011 Getty Images It's the big talk around the water cooler! The Office star Jenna Fisher is a new mom! The actress, whose character on the NBC comedy is pregnant, just gave birth to a baby boy, according to People.Fischer's rep tells People that the 37-year-old funny lady and her husband, writer Lee Kirk, welcomed son Weston Lee on Sept. 24."Mom and baby are doing great," the rep says.Fischer first announced her pregnancy in May, and then in July revealed on The Tonight Show with Jay Leno that she was expecting a boy.Fischer and Kirk were married in July 2010, and Survivor host Jeff Probst officiated the ceremony.