Heidi Klum, Hailee Steinfeld, Paris Hilton & More Celebrate National Puppy Day 2016!

According to its official site, March 23 marks the 10th anniversary of National Puppy Day. This is the wonderful magic and unconditional love that puppies bring to our lives, which is why animal lovers should think about adopting a pet of their own. Check out this gallery of America's Got Talent Heidi Klum, Pitch Perfect 2 actress Hailee Steinfeld, reality TV personality Paris Hilton, and more popular celebrities celebrating their best friend who gives them nothing but love. Celebrate National Puppy Day with these must-see photos of the celebs and their dogs.