Alyssa Milano is going to be a mom!

The actress, 38, and her husband Dave Bugliari, 32, are expecting their first child, Milano's rep confirms to PEOPLE exclusively.

"They're just over the moon," says a friend of the Who's The Boss and Charmed alum, who's due in early fall. "They are so excited."

Milano and Bugliari an agent at the Creative Artists Agency wed in August 2009 in New Jersey after meeting three years prior.