Boo ‘The World’s Cutest Dog’ Has Died & Fans Mourn The Pomeranian On Twitter

Our hearts are breaking. Boo the Pomeranian, famously known as 'The World's Cutest Dog,' passed away on Jan. 18. Read his owner's emotional announcement, and relive Boo's cutest photos here!

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Boo The Pomeranian Dead
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The world lost one of its cutest souls today. A tiny Pomeranian named Boo, who had racked up 16.2 million Facebook followers by Friday, died in his sleep on Jan. 18. The teddy bear dog was 12 years old, and was also Instafamous with his older brother Buddy, who passed away in 2017. Their owner thinks that Boo’s “heart literally broke” over the loss, as he developed heart problems shortly after his brother died. “Our family is heartbroken, but we find comfort knowing that he is no longer in any pain or discomfort,” Boo’s owner posted to Instagram and Facebook on Friday evening. “We know that Buddy was the first to greet him on the other side of that rainbow bridge, and this is likely the most excited either of them have been in a long time.”

Boo accomplished a lot in his little life! He was named Virgin America Airlines’ “Official Pet Liaison” in 2012, and scored an adorable photo shoot for the honor — check it out in our gallery above! Boo was even the face of four books that his owner — who adopted the pen name J. H. Lee — published, from titles like Boo: The Life of the World’s Cutest Dog to Boo: Little Dog in the Big City. In today’s caption, his owner reminisced on how Boo “made the manliest of men squeal with delight” and “made everyone laugh with his quirky, tail wagging personality.”

Boo’s owner revealed how painful the last year was for the small dog. “I brought Boo home in the spring of 2006 and so started the greatest, most heartwarming friendship of all time,” the owner wrote. “Shortly after Buddy died, Boo showed signs of heart issues. We think his heart literally broke when Buddy left us. He hung on and gave us over a year. But it looks like it was his time, and I’m sure it was a most joyous moment for them when they saw each other in heaven.” Even though Buddy passed away in 2017, his joint IG account with Boo continued to be updated with throwback brother pictures.

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Dearest friends of Boo, With deepest sadness I wanted to share that Boo passed away in his sleep early this morning and has left us to join his best friend, Buddy. Our family is heartbroken, but we find comfort knowing that he is no longer in any pain or discomfort. We know that Buddy was the first to greet him on the other side of that rainbow bridge, and this is likely the most excited either of them have been in a long time. Since starting Boo’s FB page, I’ve received so many notes over the years from people sharing stories of how Boo brightened their days and helped bring a little light to their lives during difficult times. And that was really the purpose of all this…Boo brought joy to people all over the world. Boo is the happiest dog I’ve ever met. He was so easy going that we never had to bother with training. He made the manliest of men squeal with delight over his cuteness and made everyone laugh with his quirky, tail wagging personality. Over the years Boo met some super cool people, a lot of crazy talented people, but most of all so many kind people…friends who gave him endless love, people who prioritized his comfort over getting that perfect picture, partners who understood that Buddy ALWAYS had to be included, and last but definitely not least, the amazing doctors, therapists, and staff at Adobe Animal Hospital and Sage Veterinary Centers for the countless hours of care and dedication they poured into Buddy and Boo. I brought Boo home in the spring of 2006 and so started the greatest, most heartwarming friendship of all time. Shortly after Buddy died, Boo showed signs of heart issues. We think his heart literally broke when Buddy left us. He hung on and gave us over a year. But it looks like it was his time, and I’m sure it was a most joyous moment for them when they saw each other in heaven. Boo, we love you with all our hearts and will miss you until the day we meet again. Have fun running around with Buddy and creating adorable mischief wherever you guys go. Thank you to all of you for following along on their silly adventures over the past 10 years. They sure had a LOT of fun. With love and our deepest gratitude, Boo’s humans

A post shared by Buddy + Boo (@buddyboowaggytails) on

Fans took to their Twitters to mourn with Boo’s owner. “Boo the cute pomeranian passed. I’m sad. Rest In Peace cutie 😭,” one user tweeted, and another added, “just found out boo the pomeranian died i don’t wanna speak to anyone ever again.” A third fan empathized, writing, “As an owner of a Pomeranian I am devastated that Boo the dog has passed on to join his brother Buddy. 😭😭😭.” You can remember Boo’s precious life by looking at even more of his pictures in HollywoodLife’s gallery above!