Justin Bieber's Hat Stolen At Airport Entertainment 10:00 AM PDT, April 28, 2010 - Inside Edition It's more Bieber mania! One thousand screaming fans swarmed Justin Bieber as he arrived in New Zealand on Wednesday. The 16-year-old pop star had to be escorted through the airport. He was wearing a purple baseball cap. Bieber's hat was stolen right off his head and his mom was knocked down. Justin tweeted: "The airport was crazy. Not happy that someone stole my hat and knocked down my mama. Come on people."