Moo Deng, the viral pygmy baby hippo, has turned 1! The social media sensation celebrated her first birthday on Thursday, July 10, with the zoo where she resides in Thailand throwing her a four-day party and creating a special 44-pound cake for the occasion.

Moo Deng, the pygmy hippo who took the internet by storm, celebrated her first birthday Thursday at the Khao Kheow Open Zoo in Thailand.

Thailand's viral sensation pygmy hippo, Moo Deng, celebrated her first birthday with a four-day bash.