They are waiting with paws crossed! Apply now! Shirley you can't be serious about how cute this girl is! Shirley is a sweet bundle of puppy goodness who's looking for her furever home and people. She’s 12 weeks old and currently weighs about 12 lbs, but is expected to grow to a healthy 45 to 55 lbs. Shirley is already spayed and microchipped, and she has received her age-appropriate vaccinations. Make their next chapter their best one yet.