But the risk is clear. Diana was a doomed comet that blazed across the royal firmament. Back in the Eighties she was what the monarchy needed, a very modern princess, out of Sleeping Beauty by way of Hello! magazine. The beauty, charm and sense of fun recalled so vividly last night worked a magic on the public that her departure seemed only to enhance. Indeed, she kept her charities — for the homeless, Aids sufferers and on landmines — to the end.