Jamie-Lynn Sigler and Cutter Dykstra expecting first child

There's a baby on the way for Jamie-Lynn Sigler and Cutter Dykstra.

The actress is pregnant with the couple's first child, her rep confirmed to People on Tuesday.

Sigler, 31, announced her engagement to the Washington Nationals infielder, 23, via Twitter last month.

The actress, best known for her role on "The Sopranos," currently stars on the series "Guys with Kids."