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!
William and Kate prepare for baby's arrivalPlay Video
Prince Harry meets with President Obama, gets emotional about his service
Prince Harry and Michelle Obama to visit wounded vets in US
Duchess Kate upstages 007 at 'Spectre' premiere in London
Prince Harry walks with wounded veterans, Dan Marino
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.
Submit your best guesses below — they could be featured on air!