Milly is a chocolate Chihuahua with very minor tan and white spotting. At the age of 2 years old, she weighed approximately 1 pound (.45 kg). She took the place of Boo Boo, a long haired Chihuahua that stood at 4 inches (10.16 cm). (5/15) by Judy Powell September 23, 2020, 11:29 am Judy Powell 0 Previous 5/15 Next View full list See more Previous article The Chihuahua is in fact the smallest of all purebred dogs; though there have been other breeds to set size records. As of 2014, a Chihuahua named Milly – 3.8 inches tall (9.65 cm) – was officially recognized by the Guinness Book of World Records. Next article Since this breed is so tiny, a miniature or teacup Chihuahua is a redundant term. They are all ‘teacup’ sized; though this terminology is a marketing term and not an official canine classification. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.