there's also interest in what color hair will appear on the first born to the royal couple. most think the royal son will be a brunette like the mother. there's a little bit more money on a ginger like prince harry than on a blonde like prince william. there are bucks on everything, from what kate's sister pippa will wear to the hospital, to what college the future monarch may choose to attend almost two decades from now. >> ever since she was announced to be pregnant in december, really, the ball started rolling then and it's grown and grown and grown. it's been really exciting. lots of money on the name. lots of money on the weight. lots of money on the date that the baby will be born, which is really reaching a crescendo now. >> jennie is a spokeswoman. >> it's definitely a more female type of bet as opposed to having a bet on the football or the horses. this is a kind of project that will appeal a bit more to the female customer. and also, it's the kind of thing that everybody's got an opinion on. >> for the betting types who have put down dough on the name,