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.
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)Chris Jackson / Getty Images
Submit your best guesses below — they could be featured on air!
