Will the Real Fur Moms of Hollywood please stand up?! Today's National Dog Mom Day, and we've got a pack of proud puppy parents ... they sure represent! Paris Hilton may be too glam to give a damn woof, but check out her adorable fur baby! Sydney Sweeney and Claudia Sulewski paired some swimwear selfies with their precious pups! And Amanda Seyfried brought her K-9 kid on set and snatched this silly shot ... They ain't just your regular dog moms, they're COOL dog moms ... Check out the gallery!