Google Maps has a special pegman for the royal wedding. The pegman is a bride and a groom, aka Prince William of Wales and Catherine (Kate) Middleton, as the pegman.
Google's Twitter account tweeted it this morning saying:
Best wishes to the royal couple from Street View's Pegman & Pegwoman - look for them in maps of London today http://goo.gl/SsZZ3
Try it out yourself at http://goo.gl/SsZZ3.