It was the hat that launched a thousand quips! Designed by Phillip Treacy, we asked –  did it look like a toilet seat, a telletubby, a crab or all manner of other things. It was the hat which had its own  Facebook page, with thousands of followers, and was much discussed on television, in magazines and on Twitter. I  even had my own radio discussion about the hat on my local station Radio WM, chatting to Joanne Malin about the strange design. But tonight, Princess Beatrice is the person laughing longest and loudest. Rather than ignoring the ridicule, or sulking in a corner, the Princess decided to turn the hat…