Boo, the world’s cutest dog, has died at the age of 12, according to his owners.
The Pomeranian died in his sleep Friday due to complications from heart issues.
“Our family is heartbroken, but we find comfort knowing that he is no longer in any pain or discomfort,” Boo’s owners said on Facebook.
Boo became an internet sensation after his owners posted pictures of his pup and a second dog, Buddy, according to CNN.
See the full Facebook post below: