Kai Trump was drawn into an online backlash on Monday, 8 June 2026, after a viral clip from the NBA Finals at New York's Madison Square Garden showed her standing beside her grandfather, Donald Trump, as the President was booed during the national anthem.
The video, which spread quickly across social media, prompted criticism of the 19-year-old over what viewers read as a brief 'smirk,' though nothing in the footage confirms what she was thinking.