Sarah Michelle Gellar and Freddie Prinze Jr. welcome baby boy

Sarah Michelle Gellar and Freddie Prinze Jr.’s daughter Charlotte Grace has just been given a sibling.

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

Their rep added, Mother and baby are doing great, and Charlotte is VERY excited to be a big sister."

Gellar and Prinze Jr. welcomed their first child, Charlotte, in September of 2009, and she just turned 3 earlier this month. Also, the couple celebrated their 10th wedding anniversary on September 1. They met back in 1997 while filming I Know What You Did Last Summer.

Access Hollywood reports that they went on to work together more, in films such as Scooby Doo in 2002 and Scooby Doo 2: Monsters Unleashed in 2004.

Gellar, 35, and Prinze Jr., 36, announced they were expecting another child back in April.

Follow us on Twitter and Facebook!