Video: William and Kate's Final Wedding Prep and Diana Tribute as Beckhams Head to Royal Wedding!
Description:Start the countdown to the royal wedding! We're only hours away from when Kate Middleton and Prince William say "I do," and the happy couple have been running around London to tie up all the last-minute details. The royal family just released the official program for the ceremony, which features a gorgeous photo of Kate and Will plus a preview of their special tribute to Princess Diana. Catch a peek at the soon-to-be newlyweds before they're officially married, then check back at 1:30 a.m. PDT t(2:31)