Jamie-Lynn Sigler and Cutter Dykstra expecting first child

Cutter Dykstra, left, and actress Jamie-Lynn Sigler attend The Art of Elysium's 6th Annual Heaven Gala presented by Audi at 2nd Street Tunnel on Jan. 12, 2013, in Los Angeles. / Jason Merritt/Getty Images for Art of Elysium

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

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Baby bumps

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."