Cutest Dog Boo, the incredibly adorable Pomeranian who became an internet sensation, died in his sleep Friday, his humans announced. and he was just 12 years old her humans said.
His older brother Buddy, who was similarly cute and famous, died in 2017.
According to his humans, Boo started having heart issues after his brother died.
“We think his heart literally broke when buddy left us,” they wrote.