VIDEO : Meet the Dog Whose Fans Include Lady Gaga, Reese Witherspoon

Tuna the dog is famous on instagram, and even has some A list fans. The pup made an appearance at PetCon in New York City on Saturday, November 18, and his owner spoke to Us Weekly about her celebrity pet. She is quoted talking about his fans and saying, ? Lady Gaga follows him and she follows like 32 people so, I think that?s so fun. Her and Sia and Reese Witherspoon, who did a shout out on Vogue years ago about who everybody else should follow ? Tuna Melts My Heart!?