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Nicole Snooki Polizzi, Jionni LaValle

Tom Briglia

The self-described "pregnant whale" is pregnant no more. Yep, Jersey Shore denizen Snooki is a mom!

The tiny reality star otherwise known as Nicole Polizzi gave birth to an even tinier meatball, son Lorenzo Dominic LaValle, at St. Barnabas Medical Center in Livingston, N.J., just before 3 a.m. Sunday. It's the first bambino for Snooki and her fiancé, Jionni LaValle.

"The world just got another Guido!!!" the reality star's rep announced to E! News. "Lorenzo Dominic LaValle has entered the world, weighing 6 pounds, 5 ounces. Nicole, Jionni and Enzo are doing great!"

Following the delivery, Snooki headed to Twitter to share the good news with fans: "I am SO IN LOVE with my son Lorenzo Dominic ! I had my little man last night, healthy at 6lbs! HE'S MY WORLD! ❤"

In the hours leading up to the tiny tyke's birth, Twitter was abuzz with word of the reality star's impending momdom.

No word just yet on if Snook's costar and BFF JWoww was on hand to film the birth as planned or just how much of the happy occasion was caught by TV cameras. Guess we'll have to stay tuned. In the meantime, congrats to the famiglia!

—Additional reporting by Holly Passalaqua