WATCH: Adorable 'cheerleader' pup steals hearts

- An adorable pup in Jacksonville is stealing hearts across the internet with her cheerleader costume.

Tiffany Mayer dressed up her pup, "Willow," in an adorable black and silver "Pooches" costume which features a skirt and fake arms holding pom poms and posted the video on Facebook.

The video, which has been shared thousands of times, shows Willow simply just walking up, her fake costume arms swinging as if to cheer, hilariously staring at the camera, then finally eating her treat. 

Willow was a rescue, Mayer said, and the before and after photos of her are stunning.

The before photo shows Willow with bushy and matted fur. The after photo shows her happy, groomed, and in and adorable pink bed enjoying the comforts of her new home. "Our family volunteers for a local rescue and always try to promote adoption with so many looking for homes," said Mayer. "Promoting adoption is huge to us!" 

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