Watch: Fiona The Hippo Turning 4-Years-Old

This is a big birthday weekend for a big girl from Cincinnati!

Fiona the hippo is turning 4-years-old!

Fiona's birthday is Sunday.

She was born 6 weeks premature, weighing only 29 pounds and unable to stand.

Now, she's a whopping 1,500 pounds and ready to party.

The Cincinnati Zoo is hosting a Float for Fiona Apple Race this weekend to raise money for their zoo.

It will all be streamed on the zoo's Facebook page.

Happy birthday, Fiona!