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Theodore James Kushner is just 9 days old, and he's already getting the star treatment at home.
Actually, Ivanka Trump's newborn son is just one of the stars of a family video she shared on Instagram Monday.
Trump's 4-year-old daughter Arabella is seen cradling little Theodore in the clip and the big sis does her best to support her brother's head (with a hand from mom at one point), as she gazes down at him and sings "Twinkle, Twinkle, Little Star."
MORE: Ivanka Trump and Jared Kushner welcome a baby boy
Loving siblings and a lullaby? It's almost too sweet!
Trump and husband Jared Kushner welcomed Theodore to the family on Easter Sunday.
Since then, Trump has shared a number of adorable family moments, both with Arabella and with her other son, 2-year-old Joseph.
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Oct. 16, 201502:52Follow Ree Hines on Twitter.