Anyone who has owned a puppy will know that they grow up inexplicably fast. One moment they are small and fluffy balls of fur and the next, they transform into big woofs. While watching a pet grow is indeed rewarding, dog owners will agree that a part of them misses the adorably tiny versions of their canine friends too. Here is a compilation of before and after pictures of some adorable dogs with their unbelievably cute younger selves.
