William goes on a final walkabout as a single man as he greets his fans on the eve of his wedding

* There's no room left near the Abbey for people wanting to get the first glimpse of the married couple
* Camilla went out to meet people waiting outside Clarence House earlier in the day

Prince William delighted thousands of well-wishers in The Mall last night as he staged an impromptu walkabout.

Joined by his brother Harry, the beaming prince stunned die-hard fans when he appeared from Clarence House at about 8.30pm to thank them for their support.

A few burst into tears and a sea of hands rose up, desperate for the chance to shake hands with the prince and to wish him luck before the big day.

 Union Flag and George Cross flag bunting hangs outside the Lamb and Flag pub in central London

 Tornado GR4 aircraft take off from RAF Coningsby station in Lincolnshire for a fly-past rehearsal

 Typhoon (top and bottom) and Tornado GR4 (left and right) aircraft rehearse their fly-past for the Royal wedding

 Carnival: Campers set up trellis tables and passed round sandwiches to get through the cold night

Cold time: The royal watchers had camped out all night in a bid to get the best spot to see the event

Suitably attired: One supporter sports a suit made from pictures of the Royal family while, right,  one wonders if this fan already wearing a ring on that finger - there'll still be one unmarried Prince in town after tomorrow's festivities

 Royal watchers wearing tiaras talk amongst the tents outside the entrance the historic church

Nice lie in: A man sleeps in his open tent covered in a Union Flag duvet

Royal fever: People camping in tents opposite Westminster Abbey have assured themselves a good

 Tired of the wedding festivities already? Two boys catch up on sleep on the pavement outside Westminster Abbey

 Best man: Prince Harry joined his brother on the stroll near Clarence House

 The happy prince: Prince William greets well-wishers along The Mall ahead of his wedding

 Focus on the groom: William is captured on camera by a well-wisher

casual stroll: Prince Harry greets some fans - and William looked relaxed as he cracked jokes with the crowd

 Meet and Greet: Camilla Duchess of Cornwall stepped out to meet people on the Mall on the eve of the wedding

 Oh, what a knight: Colin Bickers walked 55 miles from his home town of Worthing in his full suit of armor for the wedding - raising money for charity along the way