Zuckerbergs' baby announcement immediately upstaged by their dog

Beast, a puli, is the newest internet celebrity thanks to his moppy hair and unusual heritage

When Priscilla Chan and her husband, Facebook CEO Mark Zuckerberg, announced they are expecting a baby girl, the internet showered them with praise. At last count, nearly 800,000 people had liked the Facebook announcement in which they shared the big news.

But this being the internet, the happy couple were almost immediately upstaged by their dog.