Jamie-Lynn Sigler is a proud new mama!

The 32-year-old former "Sopranos" star and fiancé Cutter Dykstra, 24, welcomed a baby boy on Wednesday afternoon, a rep for Sigler confirmed Thursday.

"Both mom and baby are happy and healthy!" the rep told us.

The little guy's name has not yet been released.

This is the first child for the starlet and the minor league baseball player, who got engaged in January.

Opening arguments for crash that killed former News 12 reporter ... Dozens displaced after car crashes into assisted living facility ... Beating male breast cancer  Credit: Newsday

Concerns for more dangerous chemicals at LI park ... Opening arguments for crash that killed former News 12 reporter ... Early voting ... Out East: 'Grape' time of year

Opening arguments for crash that killed former News 12 reporter ... Dozens displaced after car crashes into assisted living facility ... Beating male breast cancer  Credit: Newsday

Concerns for more dangerous chemicals at LI park ... Opening arguments for crash that killed former News 12 reporter ... Early voting ... Out East: 'Grape' time of year

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