Boo, the World's Cutest Dog, is Virgin America's official pet liaison, promoting the airlines' pet-friendly features. Boo will give pet-friendly travel advice to two and four-legged fliers.

Sadly, Boo suffered from heart issues, according to the statement from his owners, who also had a dog named Buddy. Can You Stand It? Meet Boo, the World's Cutest Dog!

Boo, better known as “the world’s cutest dog,” has died. That might not mean anything to most of you, but for many of his 16 million Facebook followers, he was the one thing that kept us sane.

Boo, the "world's cutest dog," has passed away at age 12. People are taking to Instagram and Facebook to mourn the famous furball.

The world’s cutest dog, Boo, has sadly crossed the rainbow bridge. According to Buzzfeed, the 12-year-old Pomeranian passed away peacefully in his sleep. Boo’s owners announced his passing on ...

If the January blues hadn’t already got to you… the world’s cutest dog, Boo, has died of a broken heart.

Meet Boo, the world's cutest dog, as he charms fans with his adorable looks and playful personality.

Boo the Pomeranian, AKA 'the world's cutest dog,' passed away on Jan. 18, 2019. Read his owners' emotional message.

With nearly 5 million "likes" on Facebook, a book out about him and a 2013 calendar to boot, Boo is one popular pup, legitimately dubbed "the world's cutest dog," whose sweet eyes and face — in ...

Boo hoo. A Pomeranian named Boo — the social media sensation known to his rabid fans as the “cutest dog in the world” — has died, likely of a broken heart, his owners announced on Friday ...