Ivanka Trump and husband Jared Kushner welcomed a baby boy on Monday.
"We just welcomed a beautiful & healthy son into the world. Jared, Arabella and I couldn't be happier!" Trump tweeted.
No further details have been released. The couple are already parents to daughter Arabella Rose, 2.
The Celebrity Apprentice mentor's father Donald Trump also shared his joy onTwitter: "Thanks to all for the wonderful congratulation sent to me on the birth of Ivanka's little boy - so nice!"
The latest addition to Trump and Kushner's family comes 11 days before the couple's fourth wedding anniversary.
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