Harry Potter star Daniel Radcliffe gets so nervous around girls he has no idea what to say to them. Radcliffe received glowing reviews after stripping off on the London stage in Equus earlier this year (07), but is terrified of talking to females who catch his eye. The 17-year-old says, "Girls. I think that's the biggest insecurity for any guy. "I never know what to say to them. Well, actually, that's not true - I do know what to say, but as soon as you fancy someone, everything changes."