The baby was born at 9:58 a.m. at Hackensack University Medical Center in New Jersey.
Royal weighed in at 6 pounds, 5 ounces, and measured 19.5 inches long.
This is the first child for the 39-year-old rapper. The baby’s father is reportedly New York MC Mr. Papers.
Lil’ Kim announced her pregnancy and debuted her baby bump in February at The Blonds show during New York Fashion Week.
“I can’t wait to be a mom!” she previously told Us Weekly.
“I’m still going to be hardcore, the baby has made me even more of a beast!”