July 17, 2011 at 09:43 PM EDT

Celebrity Apprentice judge Ivanka Trump, 29, has given birth to a baby girl. The daughter of Donald announced the news via Twitter today. UPDATE: On Monday’s Fox & Friends, Donald Trump revealed his granddaughter’s name: Arabella.

It’s a big day for celebrity babies and social media, as David and Victoria Beckham posted the first pics of baby Harper Seven on Facebook.

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