Boo, the cutest dog in the World

Is this the cutest dog in the world? Boo the Pomeranian has millions of fans and his own book!

He has nearly two million fans and a book deal. But Boo isn't a reality TV star, actor or a pop singer - he's a pet dog.

The five-year-old Pomeranian has the fame most celebrities dream of after amassing 1.79million fans on social networking site Facebook.

And Boo is also a hit with the ladies. He attracted the attention of Hollywood stars including Khloe Kardashian, who posted a picture of the dog on her blog last year and singer Ke$ha, who Tweeted that Boo was 'her new boyfriend.'

Since then, Boo's Facebook page, launched in 2009, has gone viral, receiving thousands of new fans a day.