Once Prince William makes an honest woman out of Kate Middleton on April 29, the royal couple will celebrate in lavish style at the same place his granny calls home: Buckingham Palace.
But just because you get invited to the wedding doesn't mean you'll make the cut for the after-parties.
The newlyweds have three different soirees, beginning with several hundred guests and eventually having only 100 at the final, most intimate fete. And only the two first two bashes will take place at the Queen's castle.
Here's how it breaks down.