Jenna Fischer Jenna Fischer

Jenna Fischer and husband Lee Kirk have welcomed a baby boy, People reports.

Weston Lee was born on Sept. 24. "Mom and baby are doing great," Fischer's rep tells the magazine.

See other celebs who've had babies this year

Fischer, 37, revealed her pregnancy in May and then announced on The Tonight Show that she was expecting a boy. The milestone was also written into her character's storyline on The Office.

The couple married in July 2010 with a European ceremony officiated by Survivor host Jeff Probst. This is the pair's first child.