When pirates made their victims walk the planks in earlier, less civilized times, they at least allowed them to wear clothes!
But even then, and would probably already have gotten rid of whatever covered their bottocks before some shy sailor could alarm them to the fact that they might as well head into the shark-infested waters fully-clothed.
Well as long as it's warm and the ladies tend to their fairly well-honed figures (I sholdn't talk), what's the damage?
It's a spotty trend, by the way. presented her white rear end on the red carpet of the MTV awards 1999 while Lady Gaga put away with most of her clothes basically just now.