Snooki Tweeted the good news this morning, "I am SO IN LOVE with my son Lorenzo Dominic ! I had my little man last night, healthy at 6lbs! HE'S MY WORLD!"

The reality show "meatball" and her fiance Jionni LaValle named their first child Lorenzo Dominic -- he weighs in at 6lbs., 5oz and was born in New Jersey Sunday morning.

The Jersey Shore reality show star later added: "Being a mom is an amazing feeling!!! I love my little man to death! Jionni is such a cute dad."

A rep for MTV said, "The world just got another Guido!!! We couldn't be happier for Nicole and Jionni on the healthy delivery of their baby boy! We look forward to Lorenzo's first trip to the Jersey Shore and can't wait to see his first animal print onesie."