He sneaks her candy and soda when her parents aren’t looking. And when they hit the golf course, he’s all about getting inside her head. Now, Kai Trump spills the tea on her unique bond with grandpa Donald – and believe me, you won’t be able to imagine what she opens up about… Donald Trump’s big family is known for being tight-knit and full of colorful personalities. Among them is his 17-year-old granddaughter, Kai Trump, who’s recently been gaining attention. Kai…