Teen pop sensation Justin Bieber admitted that despite being a global heartthrob he still gets nervous when it comes to dates.The Baby hit-maker confessed he was once so jittery that he spilled spaghetti all over a girl, reports dailystar.co.uk.“There have been a few dates I’ve gone on that I was totally nervous about. I just try to calm down and be myself,” said the 16-year-old singer.