TODAY | July 07, 2013
>> reporter: no royal patient yet. the world's most anticipated baby isn't believed to be due until next weekend, but the international media is camped out and police stand guard on the same steps where william was presented to the world by his parents 31 years ago. kate hasn't been seen since mid june. she's been stay iing out of the spotlight for the final days of her pregnancy. william is still at work in wales, 270 miles away , ready to dash to london when kate goes into labor. now the only thing to do is wait.
>> it's very exciting and i think everyone is very thrilled for them.
>> can't wait. we know it's not far away .
>> reporter: an excited prince charles even asked for advice on how to be a good grandparent at the a tea party . in the stores, the merchandise is ready, very cute, pink and blue , girl or boy, no one knows. a bonanza worth millions of dollars for retailers. thousands betting on names. alexandria top of the list. apparently no decision has been made.
>> the couple don't really want to get involved with the names until the baby is actually here. that's quite sweet. until you've seen the face of the child, it doesn't suit that name.
>> reporter: girl or boy this baby will be crowned. expect huge crowds here when the birth is announced and celebrationses up and down the country and beyond. even niagara falls visited by william with diana and harry will flow pink or blue to mark the birth. but for william , joy may be mixed with sadness.
>> i think for william it will be emotional for him. he has spoken warmly and fondly and emotionally about his mother in the past. i think at this particular moment the culmination of family life and a child born she will certainlily be in his thoughts.
>> reporter: as the world waits for diana's grandson or granddaughter to