Polizzi gave birth just before 3 a.m. Sunday to a healthy baby boy named Lorenzo Dominic LaValle.
Representatives for the reality TV star said the baby weighed 6 pounds, 5 ounces, and both mom and baby are doing well.
The proud mama tweeted about her new "little man."
"I am SO IN LOVE with my son Lorenzo Dominic ! I had my little man last night, healthy at 6lbs! HE'S MY WORLD!" she posted on Twitter.
