updated 05/21/2012 AT 12:00 AM ET
•originally published 05/21/2012 AT 12:40 AM ET
Who is Cady Eimer? The 18-year-old Virginia high school student had been asking the superstar to go to her senior prom with her for several years via her website, but Bieber had to decline the invitation because of prior obligations.
But Bieber had another idea.
“I couldn’t make it [to prom] so I said I need you to fly to the Billboard Awards and you can be my date,” he told PEOPLE. “She’s a big fan and I thought it would be fun.”