Jenna Fischer, actress on NBC's The Office, has given birth to a baby boy. Both Fischer and her husband, Lee Kirk, welcomed Weston Lee on Sept. 24, according to People.

Her pregnancy, though done in real life, will continue on the show. Fischer's character Pam has a daughter and is expecting a son with  John Krasinski's character, Jim Halpert.

Fischer revealed her pregnancy in May and told Jay Leno in July she was having a boy.

Fischer and Kirk became engaged in 2009 and married in 2010.

See Fischer on the slideshow before and during pregnancy.