Gretchen Rossi and Slade Smiley's daughter, Skylar Gray Smiley, is six years old. Read on to see inside their celebration.

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Moo Deng, the baby pygmy hippo, celebrates her birthday at the Khao Kheow Open Zoo, drawing thousands of fans and raising funds for animals.

1 of 3 Baby pygmy hippo Moo Deng eats fruit presented for her first birthday celebration at the Khao Kheow Open Zoo in Chonburi province, Thailand, Thursday.

CHONBURI, Thailand — Thousands of excited fans flocked to a Thai zoo on Thursday to celebrate the first birthday of Moo Deng, the adorable baby pygmy hippo that became a social media sensation.