Kourtney and her longtime partner Scott Disick – parents to Mason, four, and 23-month-old Penelope - are apparently preparing to welcome another baby.
"It was planned," a source told US Weekly. "Kourtney wants a handful of kids."
Another insider confirmed the news, saying of the 35-year-old star, "She is only a few months along."
Kourtney Kardashian already has son Mason and daughter Penelope with partner Scott Disick
Meanwhile, a guest at the Trump SoHo hotel, where Kourtney recently stayed after returning to New York from sister Kim Kardashian's wedding, said she already had a pregnancy glow.
"Kourtney looked really pretty. She had a nice flush on her cheeks."
Kourtney has been spotted out and about in New York "looking flushed"
Kourtney and Scott, 31, are said to have decided not to find out the gender of their unborn baby, thought to be due in December.
"They don't know the gender yet," the source revealed. "They just want the baby to be healthy."