Kai Trump claimed she's been in the crosshairs from critics frustrated with her famous family, Wonderwall.com can reveal. The 18-year-old found herself under fire after a resurfaced clip showed her venting that "50 percent of the world" doesn't like her because she's the eldest grandchild of President Donald Trump, prompting some online to slam her as "arrogant" and out of touch. Kai Trump Knows 'Some People Don't Like Me' Over Famous Last Name Kai Trump received backlash on social media for a comment she made about her famous family name.