Drea de Matteo, Shooter Jennings Expecting Second Child

Make room on the tour bus – Drea de Matteo and Shooter Jennings are expecting their second child.

The actress, 38, is five months pregnant and due in the spring, a source confirms to PEOPLE.

De Matteo, who recently wrapped a run on Desperate Housewives and is best known for her role on The Sopranos, and Hierophant frontman Jennings, 31, are already parents to daughter Alabama Gypsyrose, 3.

PHOTOS: Who's Due Next?

The couple, who have been together nine years, were engaged on stage in New York in June 2009.

• Reporting by MICHELLE TAN