"It's played a massive part," said Styles. "Twitter, Facebook and YouTube have been a large percentage of the reason we've been known outside of the U.K. ... We owe a massive thank you to the fans."
One Direction excited about history making debut →
"This has been unbelievable," Harry Styles said backstage. "This was our favorite performance we've ever done. For us to be here in the first place is amazing, and to perform and win a Moonman is amazing."
One Direction, Rihanna have VMA fans frenzied →