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Prince George, Kate Middleton, Prince William

John Stillwell/PA Wire

The great royal baby wait continues!

Anticipation is growing for Kate Middleton and Prince William's upcoming arrival and so many questions remain. Will their upcoming baby be a boy or girl? Has the Duchess of Cambridge's due date already passed? Could this be the couple's last child?

Some things we just have to wait on. But when it comes to a third child, one family member is already predicting it will definitely happen.

"I don't think they'll stop at two," Middleton's uncle Gary Goldsmith revealed to Hello!. "So if it isn't a girl this time around, people shouldn't be too disappointed."

He added, "I'm sure there'll be a girl in the mix at some point. As long as the baby is healthy, that is the important thing."

Some are predicting that a baby girl could mean big business in London. In fact, millions of dollars could be made across the area.

"I think there will be an immediate boost of around 80 million pounds [or $119.4 million] when the baby is born, with around [$30 million-$37 million] spent on souvenirs," Professor Joshua Bamfield, director of the U.K.'s Center for Retail Research, told London's Telegraph. "There isn't as much excitement when it's the second baby, but a girl would have the potential to boost the fashion industry."

Catherine, Duchess of Cambridge, Kate Middleton, Prince William

Splash News

Whatever the sex may be, Prince George's mom will be able to count on her own mother for some much-needed assistance. Reports say Carole Middleton will be on deck and ready to help her daughter as she figures out how to juggle two children at the Sandringham estate.

And if it just so happens to be a baby girl—we swear we'd be happy either way as well—Kate's uncle predicts she will be nothing short of stunning.

"Kate was a beautiful girl," Goldsmith shared. "If she were to have a girl, she'll be equally as beautiful."

Love all things Royals? Make sure to watch E!'s first-scripted series The Royals Sunday nights at 10 p.m. only on E!