ET has the latest...

Fourth time's a charm for TRACEY GOLD! The former "Growing Pains" star gave birth to her fourth son Tuesday night in California, ET confirms.

Tracey and her husband ROBY MARSHALL named their little boy DYLAN CHRISTOPHER, who weighs at 8 pounds 4 ounces and is 21 inches long.

Tracey, who can currently be seen on TLC's "Secret Life of A Soccer Mom," is also the mother to sons SAGE, 11, BAILEY, 8, and AIDEN, 3.