When will Duchess Kate have the baby? Enter TODAY's pool to guess the next heir's birthdate, gender and more

Prince William and Duchess Kate will soon welcome another royal baby into the world!

And while the duchess has hinted at a due date, the next royal heir's birthdate (and name, gender and weight) are a royal mystery. TODAY wants to know what your royal baby predictions are.

Chris Jackson / Getty Images
Prince William, Duke of Cambridge and Catherine, Duchess of Cambridge leave St Paul's Cathedral after a Service of Commemoration for troops who were stationed in Afghanistan on March 13, 2015 in London, England. (Photo by Chris Jackson/Getty Images)

Submit your best guesses below — they could be featured on air!