Jenna Fischer of "The Office" has a new baby boy -- and it turns out she's had him for a while now.
The actress and husband Lee Kirk, a writer, welcomed son Weston Lee on Sept. 24, her rep told People exclusively. This is a first child for the couple, who were married in July 2010.
After what Fischer had described as an easy pregnancy, "Mom and baby are doing great," the rep said Monday. The baby on board was announced in May, with Fischer revealing the "It's a boy" part in a chat with Jay Leno in July.
On the eighth season of "The Office," which premiered last month just days before baby Weston did, Fisher's Pam is expecting her second child with on-screen hubby Jim, played by John Krasinski.
-- Christie D'Zurilla
Photo: Jenna Fischer and Lee Kirk in February. Credit: Frederick M. Brown / Getty Images