Does Daniel Radcliffe think Justin is a girl?

Harry Potter's Daniel may star in a blockbuster franchise, but that doesn't mean he knows about other pop culture phenoms. Up until recently, he didn't know who Justin Bieber was -Daniel thought he was hearing a new girl singer on the radio! "I genuinely thought it was a women singing," Daniel says. "I'd never heard him before... I'm so out of the loop when it comes to pop culture that I don't even try anymore!"