Jenna Fischer welcomes a son

(CBS) It's a boy for actress Jenna Fischer.

"The Office" star, 37, and husband Lee Kirk welcomed son Weston Lee on Sept. 24, her rep told People magazine on Monday.

Pictures: Celebrity babies
Pictures: Jenna Fischer

"Mom and baby are doing great," the rep adds.

Fischer and Kirk married in 2010, and announced the pregnancy in May. In July, she revealed that she was expecting a boy.

This is the first child for the couple. Fischer's "The Office" character, Pam, has a daughter and is expecting a son with husband Jim Halpert (John Krasinski).