updated 11/16/2010 AT 6:15 AM ET
•originally published 11/16/2010 AT 6:00 AM ET
While no date has been revealed, it is thought the ceremony will be held in a few months and be the biggest since William’s mother, Diana, married Prince Charles.
“Everyone is absolutely delighted. He has never had eyes for any other woman since Kate came on the scene,” says an old friend. “She is going to make a wonderful wife, a wonderful princess.”
Both the future bride and groom are 28.