There's another Kardashian to keep up with! A rep confirms exclusively to Life & Style and E! News that reality star Kourtney Kardashian and her longtime boyfriend, Scott Disick, welcomed a bouncing baby boy on Dec. 14.

Mason Dash Disick was born in LA, weighing 7 pounds, 6 ounces and was 19 1/2 inches long. He is the first child for Kourtney, 30, and Scott, 26, stars of E!'s Keeping Up with the Kardashians and Kourtney & Khloé Take Miami.

"I'm in a new chapter of my life," Kourtney told Life & Style at her Nov. 14
baby shower in LA. "It's fun!"

Story developing!

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Photo Credit: Startraks