certainly we ll expect crowds to be assembled for the posting of the royal birth notice. it will be placed on an easel. the very same easel used to announce the birth of prince william over 31 years ago. that s where we ll find out the sex of the baby, the weight of the baby, the time of birth. people here very excited. erin, keep an eye on it for us. we ll be back to you throughout the show. thank you so much. got the moment. you have the imagine esmagesty,. let s bring in royal contributor victoria arbitor. expert on the royal family. grew up in windsor and kensington palace herself. great to have you. good morning. always good to have you. the specialness of this. take us through a little bit of things that happen here that don t happen ordinarily other than the millions of sets of eyeballs in anticipation. as you say, apart from that. really you only get an heir once every generation. it s been 31 years since we ve had an heir to the throne. what s most exciting to me abo