"Are you a cat person or dog person?" The question never gets old. It's no secret that pets become an integral part of people's lives, identities, and, if you're an artist, perhaps a part of your work and inspiration. We've seen a trend with artists and their cats in particular, which doesn't necessarily mean we're biased towards the feline friends. With this list of 20 Photographs of Artists and Their Cats, we commemorate some of the most famous cat-lovers in art.