The three young royals will be represented by the handle @KensingtonRoyal, which since launching yesterday already has over 98,000 followers.
True, we doubt that the Duchess will be spending much time tweeting herself – we guess that will be down to her the staff at Kensington Palace – but if the Queen can Tweet (HRH recently tapped out 140 characters from the Science Museum) then we bet Kate can too.
Plus, there's also an Instagram account. Currently there's just a picture of Harry standing on his tip toes and one of St James's Palace, but we're sure there'll be a Prince George snap on there any day now. Right?
And something tells us Prince Harry won't be shy of sharing a few snaps, that's if Kensington Palace will let him have the password...