Kai Trump fiercely defended herself after being accused of breaking one of the biggest rules at the Masters golf tournament, Wonderwall.com can reveal. The 18-year-old granddaughter of President Donald Trump shared a string of Instagram photos from Augusta National, showing herself mingling with the crowds during practice day. But after getting torched online for seemingly breaking the tournament's notoriously strict no-phones policy, Kai quickly jumped in to defend herself, insisting the snaps were taken without violating any rules.