Their son, Enzo, was born weighing 7 lbs, 15 oz. and came in at 19.5 inches long.
Fumero announced she was pregnant in November, sharing a photo of herself surrounded by friends on Instagram. She captioned the snap, "Amazing time at our surprise baby shower yesterday. Oh, PS- I'm pregnant."
Welcoming her brand new bundle of joy wasn't her only good fortune of the day. Shortly after Fumero gave birth, Fox announced they were renewing Brooklyn Nine-Nine for a fourth season, Variety reports.