By now, you'll all have had a good spin of Keeley's Lady Selector, the interactive web gadget in which our latest cover star helps you pick your female elite.

Winners chosen, many of you may have found yourself gazing at your screens in sheer disbelief. "What digital sourcery is this?" emailed one reader. "'Tis witchcraft, for sure" suggested another.

As you'll see from the exclusive behind the scenes video above, no such deviance was at work. All it took was a massive green screen, a dozen or so moist-browed crew members and one very, very special lady.