Beatrice the Dog. Actress: Modern Family. Beatrice is an adorable dog actress. She is extremely well-trained and loves being on set. She plays the dog, "Stella" in the newer seasons of the popular ABC Sitcom, Modern Family. Though she's a dog, you can tell she enjoys the acting life and being seen on camera. This little pup is a french bulldog, a popular, small beloved dog. Beatrice has a loving...