Kourtney Kardashian introduces her new daughter, Penelope Scotland Disick, to the world in the new issue of Us Weekly.

Barely a month old now, little Penelope was born on July 8 and weighed 7 pounds 14 ounces.

"Nothing could prepare me for how hard I fell in love with her," Kardashian tells the magazine.

The baby is the second child for Kourtney, 33, and and boyfriend Scott Disick, 29, who are already parents to two-year-old son Mason.

See more exclusive photos and read all about it in the new issue of Us Weekly, on newsstands everywhere now.