The 44-year-old actress and husband Christopher Backus welcomed daughter Lucia in a Los Angeles area hospital. She joins older siblings Holden, 2, Johnny, 5, and Mattea, 7.
"We are thrilled beyond measure to have been blessed with our fourth precious, healthy child," the couple said in a statement.
Sorvino will next appear in Union Square, and her pilot Trooper is still in contention at CBS.
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