By A Mystery Man Writer
Boo's humans said his heart literally broke after the death of his best friend, Buddy.
Lil Bub: This Decade Taught Us To Love Viral Pets. Now We Have To Grieve Their Deaths.
Dog Fanatics
World's cutest dog' Boo dies of 'heartbreak'; Netizens mourn the loss
Boo the Pomeranian, the 'world's cutest dog,' 'died of a broken heart
The 'sleep tight pupper' dog has died today F - 9GAG
Uncle Tom Foolery — Foolery
Boo, the world's cutest canine #influencer, dies aged 12 - ABC News
Pomeranian Famous Boo 2024
Boo the Pomeranian, Once Named the World's Cutest Dog, Dies
Famous Boo 2024
Boo, the world's cutest canine #influencer, dies aged 12 - ABC News
Huffington Post India