Here are previous posts I've written on the Royal Wedding, which you might like to peruse before the day itself.
A general look at the day itself.
Juno Lends a Helping Hand
The marriage asteroid is deeply involved.
The Bling of Power
Kate Middleton's Birth Chart: Cool, Calm, Sensitive
No birth time, but you can still see a lot.
Right that's it. My Aquarian planets are bouncing up and down.