Kai Trump is the eldest grandchild of President Donald Trump.

Alexander Trump Boulos, Donald Trump's youngest grandchild, was born days after Kai turned 18 years old.

Kai Trump is a social media influencer with a vlog on YouTube and more than 1 million followers on Instagram.

Kai Trump's siblings are Donald Trump III, Spencer Trump, Tristan Trump and Chloe Trump.

Happy “first last day of school,” !

President Donald started senior year Wednesday, Aug. 12, at The Benjamin School in Florida − and like many experiencing the rite of passage, she posted a photo about it on social media: "I cannot believe it's my last first day of high school. Senior year here we come #friends #senioryear"

The YouTube vlogger and social media maven has lived in South Florida for about five years now, playin

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