World’s Smallest Dog is in Puerto Rico. Miracle Milly! Guinness World Records. 1 min read Canine Businesses Dog breeds Dog Photography Dog Products Dog Smart Dog Training DOG TRAVEL Health and Wellness Natural Dog Party Planning SMART HOMES World’s Smallest Dog is in Puerto Rico. Miracle Milly! Guinness World Records. BarkUpToday.Dog.com September 13, 2013 2 Miracle Milly, the world’s smallest Chihuahua is tinier than a can of soup, currently standing at 3.8...Read More