10/15/2013 08:33 am ET Updated Oct 16, 2013

Ivanka Trump Welcomes Son With Husband Jared Kushner (UPDATE)

Congratulations go out to Ivanka Trump and husband Jared Kushner who yesterday (Oct. 14) welcomed their second child into the world, a son.

Trump, 31, tweeted the festive news last night:

And her proud father, The Donald, broke the news to his followers as well:

The couple's firstborn, daughter Arabella Rose, is 2.

The gorgeous entrepreneur covers the October-November issue of Fit Pregnancy magazine in a high-slit orange frock, the cover of which she unveiled on Instagram a month ago. She tells the magazine of her and Kushner's decision to keep the baby's sex a secret until birth, explaining: "I'm superstitious. I don't like to tell people, but I don't have the discipline to keep it a surprise. There are so many variables in motherhood that, those I can control, I like to."

Kushner and Trump have been married since 2009.

UPDATE: Trump later revealed the name of her newborn on her Tumblr blog: Joseph Frederick Kushner, "named after each of our paternal grandfathers, both master builders of their generation and inspiring patriarchs of their families."


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