Kourtney Kardashian Gives Birth to a Baby Boy, 3rd Child With Scott Disick, on Son Mason's Birthday

The E! stars are also parents to daughter Penelope

By Natalie Finn Dec 14, 2014 9:00 PMTags
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Congratulations to Kourtney Kardashian and Scott Disick!

Kourtney has given birth to a baby boy, their third child together, E! News has confirmed.

The couple's new son was born on Sunday, which is also his big brother Mason 's fifth birthday! The proud parents also have a daughter, Penelope, 2.

"The family is freaking out with joy," a source told E! News. "What an amazing coincidence."

Kim and Khloé Kardashian threw a swanky Breakfast at Tiffany's-themed baby shower for their big sis last month at the Montage hotel in Beverly Hills and Kourtney celebrated again a few days later an early-Sunday-morning trip to IHOP with her best pals. Dress code? PJs!

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Kourtney recycled the cozy-looking red onesie she wore to breakfast just yesterday at a ladies'-night Christmas party thrown by longtime family friend Shelli Azoff. She accessorized the look with a Santa hat the second time around, of course.

The 35-year-old E! star's third pregnancy was, like her first and second pregnancies, chronicled on camera—even the big, dramatic moment where she told Scott that he was going to be a daddy again was included on the most recent season of Keeping Up With the Kardashians. This Sunday's episode of Kourtney & Khloé Take the Hamptons will feature the big gender reveal, but...

Mother nature wins every time!

Just as comfortable in her own skin as her sisters (and mom!) are, Kourtney—in the bloom of pregnancy—recently posed completely nude in what turned out to be a stunning photo shoot for DuJour magazine, the pics showing up online earlier this week. She also scored the December/January cover of Fit Pregnancy, in which she revealed that her third child was due this month.

"I'm not getting a baby nurse," she told the mag. "I take two months off and no one is allowed to bother me or talk to me about anything work-related—or maybe three months this time."

And though Kourtney admitted that none of her pregnancies have been what you might call easy, and that morning sickness for her is a misnomer—"for me, it was even worse at night"—she overall just loves being pregnant.

"I love being pregnant in general," she said. "This time I'm more tired than I was the other times. I think it's because I'm always running around and working on different things. But I feel comfortable with how I look and feel. I find a pregnant body to be beautiful and an incredible reminder of what a woman's body is made to do."

As for the new baby's name, Kourtney told E! News at the end of October that she was "stuck" and wanted to wait until the child arrived before making a decision.

Don't miss Kourtney & Khloé Take the Hamptons Sunday nights at 9 p.m. on E!

—Reporting by Ken Baker