ET is taking a look at five ways Baby Sussex's debut will be different from other British royal children.
The royal family gathered on Sunday to celebrate Queen Elizabeth's 93rd birthday at Easter service.
Her Majesty turned 93 on Easter Sunday.
Happy birthday to Her Majesty!
The Duke and Duchess of Sussex are expecting their first child any day now.
Happy almost birthday, Queen of England!
Between these puppies and little ones, there has been way too much cuteness in Kensington Palace over the years!
Find out which royal fathers were there for the births of their children -- and which weren't.
ET breaks down oddsmaker predictions and our best guesses about what Baby Sussex will be named.
OR with his royal cousins, Princess Charlotte or Prince Louis!
On Tuesday, the royals stepped out to attend the opening of Bush House at King's College London's Strand Campus.
It's the first time the monarch and the Duchess of Cambridge have attended an event without another member of the royal family.
ET has reached out to Kensington Palace, which has no comment.
Coolest queen ever!
