An 83-year-old man named Terry Hutt says he'll walk Meghan Markle down the aisle if her dad can't do it. Hutt, along with thousands of others, are already camped along the pathway that Meghan and Prince Harry will take in a horse-drawn carriage once the ceremony at Windsor Castle concludes Saturday. InsideEdition.com's Leigh Scheps (http://twitter.com/LeighTVReporter) has more.