The best part of National Dog Day was seeing our favorite stars take to Instagram to show off their four-legged family members! Ashley Tisdale posted pics with her adorable pint-sized pup Maui. The Carrie Diaries' Star Anna Sophia Robb smooched her dog Sir Fergusson and we are loving Kellan Lutz's little pomeranian. Pretty Little Liars star Shay Mitchell took the chance to promote adoption with her adopted pooch Angel and co-star Lucy Hale showed off her three furry friends! It doesn't get much cuter than this!