A video of a dolphin seeming to smile at a gymnast as she does flips in front of its tank has gone viral, adorning the web with its cuteness.

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Yeah, we know it sounds doubtful, but the incredible video shows flipper stopping mid-swim to check out the girl, even sticking around to cheer her on as she continues performing, following her movements with its head.

Watch it and let us know what you think ... super-smart animal, or just some coincidental cuteness? 

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Watch the amazing interaction!