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Sarah Michelle Gellar and her husband, Freddie Prinze, Jr., are the parents of a baby boy.

"Sarah Michelle and Freddie Prinze, Jr. are thrilled to announce that they welcomed a baby son into the world this past week," her rep told Us Weekly.

The baby's name has not been revealed.

Gellar, 35, and Prinze Jr., 36, also have a three-year-old daughter, Charlotte Grace.

"Mother and baby are doing great," the rep said. "And Charlotte is very excited to be a big sister."

Gellar and Prinze, Jr. met while filming "I Know What You Did Last Summer" in 1997. They also co-starred in the "Scooby Doo" films. They married in 2002.