Royal Fans Hopeful for Baby Girl at Last

Insiders insist William and Kate don't know if the baby is a boy or girl.
3:42 | 04/17/15

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Transcript for Royal Fans Hopeful for Baby Girl at Last
index," royal baby number two is almost here. Workers already getting ready at St. Mary's hospital in London, a place I know all too well. Where Kate will have the baby. They're putting up fences. And signs suspending parking due to a quote unquote special event. Let's go to linz zi Linzie Janis. Here, the big reveal. The baby's sex. The topic of intense speculation here. The bookies say, the overwhelming majority of people say this baby is going to be a girl. For three decades, the world's been transfixed by little royal boys in line to the throne. First, prince Charles and princess Diana's duo, William and harry. And most recently, William's first born, George. As William and Kate prepared to welcome their second child, there's a resounding question, could this little royal at last be a dpirl? People love George. But let's face it. There's nothing like a princess in a dress. I think people are lacking forward to having a change. Having something different. Reporter: There's no question about it as great Britain eyes Kate's growing bump, nation and the world are thinking pink. I think it would be ten times more fun if it was a girl rather than a boy. Yeah, I love girls. Reporter: The notion that a little girl bearing both princess Diana and Kate's genes and potentially their love of fashion is almost too much to bear for some, including staffers at New York's Z baby boutique. It's always more exciting to shop for baby girl than baby boy. Reporter: Royal insiders insist not even the couple know if it's a boy or a girl. If the baby is a girl, many believe she'll almost certainly be named, at least in part, after her late grandmother, princess Diana. I think they'll go for a traditional royal name. Reporter: Other favorite girl names, Victoria and Alice. Queen Victoria had a daughter named Alice. They tend to pick traditional names. Reporter: Another? Elizabeth. In honor of the baby's greatgrand mother and the current queen. Before boys, the favorites include Arthur, Philip, and Michael. That's a popular royal name and Kate's father's name. While everyone agrees what they want most is another healthy baby. Some can't help but hope for a girl. If it's a little girl, we're going to have an awful lot of attention to this child. Reporter: As you can see, I'm joining the pink party. Whatever the sex, the book kis say the odds are 7 to 1 it will arrive this weekend. It could also end up sharing a birthday with the queen. She turns 89 on April 21st. Or if it waits, prince will qualm and Kate celebrate their fourth wedding anniversary on April 29th. Wow, lots of celebrations this month. Baby eventually. How do the bookies know this, though? They don't. They don't. What we do know? There's a lot of things popping up. Everyone is capitalizing on the royal birth. Nothing says royal baby like regal chocolate-dipped treats. We first saw it on people.com. You can partake. J.k. Denim already celebrating the birth in a sweet way. He sent us the royal strawberries. What do you think? Good stuff. Amazing. Now you have to talk, George.

This transcript has been automatically generated and may not be 100% accurate.

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