Many celebrities rely on their trusty four-legged friends for company
Owner: Betty White Betty White may well be one of the world's best known animal activists. Her animal charity work dates back to when she was a child, and she even admitted to the Chicago Tribune, "My life is divided absolutely in half -- half is my animal work and half is show business.
Selena GomezIn between shows in Canada, Selena Gomez and Justin Bieber stopped by an animal rescue center. After hours of deliberating, they walked out with a brand new puppy called Baylor. Since then, Selena's been sharing her new cuddle buddy with her millions of Twitter friends, like this and this.