No other details regarding the child -- such as exactly where and when he was born or how big he is -- were immediately released.
Sigler, 32, is best known for her work on TV's "Guys with Kids" and "The Sopranos."
She is engaged to Washington Nationals infielder Cutter Dykstra, 23.
Kim Kardashian, Kanye West reportedly set wedding date
Aaron Carter is still in love with Hilary Duff