They have some of the most exclusive addresses in London and their own personal chefs on hand, so when the various members of the royal family choose to pay a visit to a hotel in their native city, you can be sure that these establishments are offering something pretty special. From the decadent backdrop for a scandalous affair to ballroom dance classes fit for a princess, and the most glamorous rowdy wedding reception ever, to enough classic sophistication to finally go public with a controversial romance, these hotels have it all. If we can't check into one of the properties where these historic events occurred, we can at least check them out . . .