Celebrities get to borrow clothes all the time, but us mere mortals are SOL unless we have a sister to steal from or a really nice friend who happens to wear the same dress size. But new site Rent the Runway has taken a page from Bag, Borrow or Steal's playbook and is renting designer clothes over the internet. Renting a bag never made sense to us, because who wants a bag for just a few days? But a dress is a bit of a different story, because it's totally conceivable that a person would want a dress just for one party and then, despite their best intentions, never get around to wearing it again.