Next time you see Prince William, it'll be his wedding day.
Hours after his bride-to-be Kate Middleton arrived at the Goring Hotel for the night, William and brother Harry showed up to Clarence House -- where they'll sleep before tomorrow's main event.
The smiling duo were met by a ton of adoring fans, who all showed up to congratulate the young prince on his nuptials.
Our live coverage of the big day will being at 12:15 am PT tonight HERE.
For continuing photo, video and news coverage of the event, check out our Royal Wedding page.
