Snooki gives birth to a baby 'Guido'

Livingston - "Jersey Shore" fans are giving a big fist pump after news that one the stars of the reality series has given birth to a baby boy with fiance Jionii LaValle.

People Magazine says Snooki, aka Nicole Polizzi, gave birth just before 3 a.m. Sunday, in Livingston, N.J. MTV reports that early this morning, the new mommy tweeted, "I am SO IN LOVE with my son Lorenzo Dominic ! I had my little man last night, healthy at 6lbs! HE'S MY WORLD! ❤" And a rep for the couple told MTV, "The world just got another Guido!!! Lorenzo Dominic LaValle has entered the world weighing 6lbs, 5oz. Nicole, Jionni & Enzo are doing great!" Us Magazine says her Jersey Shore castmates are tweeting their congratulations too. Pauly D fired off a tweet this morning saying, "Congrats @snooki And @JLaValle !!!! I'm Officially Uncle Pauly !!! #MyMeatballHadAMeatball." he wrote. Eonline says there's no word if Snooki's gal pal JWoww was on hand to videotape the birth as they had planned.