We can't stop following cute cats on Instagram , but perhaps the most photogenic are the smush-faced breeds. (And by photogenic, we mean adorably grumpy-looking.) Brachycephalic cats, including Exotic Shorthairs and Himalayans, are becoming increasingly popular Internet stars as photo-sharing owners proudly show off their furry companions. Maybe it's because they look like walking, meowing stuffed animals with their cartoonish features, but for whatever reason, the newest face of Instagram is smushed. Scroll through to check them out!