Tardar Sauce, better known as Grumpy Cat, the famous forlorn feline made a special guest appearance before an Arizona Diamondbacks baseball game against the San Francisco Giants on Labor Day to throw out the first pitch.
With the help of her humans, the internet-famous kitty was dressed in her very own pint-sized Diamonbacks jersey and sporting her infamous frown-face on the field. See her MLB debut in the video below: