By A Mystery Man Writer
Boo died in his sleep, his owner announced Friday. He was 12.
Boo, the 'world's cutest dog,' dies aged 12
Livro Boo A Vida Do Cachorro Mais Fofo Do Mundo L5337
Boo, the 'world's cutest dog', has died aged 12
The World's Cutest Dog, Marketing Fails and a Pound of Nothing
World's cutest dog Boo dies of 'broken heart
Boo, The World's Cutest Dog, Has Died Of A Broken Heart
Heartbroken Boo, 'world's cutest dog,' dies aged 12
Boo the Cutest Dog Dies of 'Broken Heart
Boo, the 'world's cutest dog,' dies aged 12
abby on X: boo, the world's cutest dog has died. i just want to say thank you to him for this iconic picture. it wouldn't have happened without you. fly high, buddy!