An article in the Italian newspaper La Repubblica (www.larepubblica.it) spilled the beans with step-by-step instructions, which are pretty valid regardless whether you are Christina Aguilera or Queen Elizabeth:
"A woman with a short skirt gets out of a car with underwear on. She keeps her legs together and swings the legs sideways by turning herself towards the door before it is opened. A lady never opens her legs in public."Come on now, if it was that easy, I'd have a heck of a short article. Nope, for the benefit of all those Britney Spears and Paris Hilton wanna-be's (or for those of us with daughters), allow me to break it down a little bit further...ContinuedSource: AC