Nicole “Snooki” Polizzi and fiancé Jionni LaValle welcomed a baby boy on Sunday at Saint Barnabas Medical Center in Livingston, N.J.
"The world just got another Guido!!! Lorenzo Dominic LaValle has entered the world weighing 6 lbs, 5 oz. Nicole, Jionni & Enzo are doing great!"
Snooki announced she was expecting last May, and admitted she matured quickly after hearing the news.