Everyone knows dogs are the best. Tap to play or pause GIF Tap to play or pause GIF jupiter2.tumblr.com But hands down, the best part about owning a dog is watching them grow up. Twitter: @allycstone I mean, sure they're cute as puppies... Facebook: greatneckvet ... but look at how handsome they are when they're older. Facebook: greatneckvet They grow up SOOO fast! Twitter: @michkuts SO. MUCH. CUTENESS. 😍 Twitter: @maceyyym Show us your adorable puppy to dog transformations (make sure they're in collage format) in the comments below for a chance to be featured in an upcoming Buzzfeed Community post or video!