updated 05/16/2011 AT 01:00 AM EDT
•originally published 05/16/2011 AT 01:00 AM EDT
Revealing the couple's new cipher amid 900 sugar-paste flowers, the eight-tier royal wedding cake was fit for a future king and queen
Inside Buckingham Palace, the bride and groom opt for fun over formality for their post-wedding revelry
The vows were vowed, the cake cut (that afternoon, before the Queen and guests at a champagne reception), and now it was time to really party. But first, a little rest at Clarence House. (Kate had been up since 6:30 a.m.) The princess and her prince emerged in less formal attire to attend an affair thrown by Prince Charles for a relatively intimate 300. There, in what a Palace source called "a relaxed family atmosphere," William and Kate enjoyed cocktails, dinner, speeches and, word was, a performance of Elton John's "Your Song" by Brit singer Ellie Goulding. Later Prince Harry was in charge of a dance party and "survivor's breakfast." Wisely, Kate wore flats to spare her feet. "That's a very British tradition," notes the Queen's couturier Stewart Parvin. "The bride wants to stay until the very end."
The couple brought their own touch to a traditional day with a surprise-and stylish-drive home in a cool convertible that Will borrowed from Dad