William to honor ‘dear mother’ on wedding day?

>>> just five days and counting until the big day the royal wedding between prince william and kate middleton , and tonight new details about the all important seating chart and a nod to princess diana . keir simmons have the latest from london .

>> reporter: on the day prince william looks to the future, he will, it is said, speak emotionally about the past. 30 years after charles married diana, her son will reportedly say my dear mother is here in spirit and will be so proud of catherine today. perhaps determined to learn from diana's life, it is said william hopes for some privacy during the couple's first two years together. it won't be easy.

>> prince william and catherine's wedding will be watched by over a billion people. it is going to be very difficult, isn't it, to put the jeangene geneie back in the bottle. the call for privacy may have fallen on deaf ears.

>> reporter: there are crowds around westminster abbey . next week, thousands are expected here to see the event for themselves. we now know where those inside will be seated. and some surprising news about who is not invited. today, while the royal family was at an eastere emerge kate 's parents will sit directly across from the queen. the spencers will sit with the middletons. and tony blair does not have a ticket, unlike another former prime minister, margaret thatcher . still, one controversy was ended this weekend when the crown prince of bahrain declined his invitation after the brutal treatment of protesters in his country. and, of course, those without an invite, thousands of members of the public will have to arrive early just for a glimpse of the couple.

>> we are looking for the best place to look.

>> i think it is going to be so exciting.

>> reporter: afterwards there is speculation that william and kate will honeymoon at the great barrier reef or perhaps jordan. their every choice scrutinized from here on. while the new princess' wedding dress designer is still a secret will affect the fashion world there is now fevered speculation over who will style her hair. truly kate 's life is set to change forever in five days time. keir simmons , nbc news, london .

>>> and a quick program note , brian williams will anchor "nightly news" from london starting on wednesday. i'll there be as well, leading up to nbc news coverage of the royal wedding which begins on friday at 4:00 a.m . eastern time . set your alarm clocks. up