(CNN) — If the January blues hadn’t already got to you… the world’s cutest dog, Boo, has died of a broken heart. The Pomeranian Boo and his companion Buddy, who died last year, became internet ...

It’s rare to find a dog who still hasn’t lost their spark even after spending years at the shelter. Among these rare furry souls is Betty Boo, a 9-year-old mixed breed with an unforgettable smile like ...