Four-year-old Siena and her two-year-old Doberman Buddha are the most unusual and adorable couple around.

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The cute little Siena stands in contrast to the huge Buddha — a gentle giant whose tenderness towards his best friend is captured by Tara Prucha, Siena’s mother.

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They have become an massive Instagram hit with their account “Cutie and the Beast: A Little Girl and Her Big Doberman.”

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“Dobermans are also known as ‘Velcro dogs’,” Tara toldToday. “They just want to be with their one human.”

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“And he has obviously chosen my daughter. We’re really happy with the attention Buddha is getting. People are seeing how sweet and mellow they can be.”

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Indeed, the 80-pound mutt is as docile as can be.

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The pair do everything together. From getting a haircut…

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… To napping.

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Buddha helps Siena with her reading.

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And shows her the world.

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But mostly, they just do what best friends do best: be silly and laugh.

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And play!

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See more of this adorable pair on Facebook and Instagram.