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Selena Gomez has cute dance-off with Audrey Nethery, 7-year-old fighting rare disease

When we first met Audrey Nethery last August, she was dancing for joy after being asked to perform at a Zumba convention. Now, she's taken her talents to new levels in a duet with Selena Gomez.

About four months ago, after the pop star came across a Facebook video of 7-year-old Audrey dancing and singing, Gomez commented: "Audrey, you are an amazing performer! Call me if you ever need a duet partner :)"

Look who left Audrey a comment!!! @selenagomez ❤️❤️❤️ #audreynethery

A post shared by Audrey Nethery (@audreynethery) on

RELATED: Audrey Nethery, 6-year-old girl with a bone marrow disease, is Zumba sensation

Audrey, who battles a bone-marrow disorder called Diamond-Blackfan anemia, is a major Gomez fan and decided to take her up on her offer during a recent stop on the singer's Revival Tour.

Try not to smile while watching the duo rock it out to "Love You Like a Love Song Baby."

Finally got to meet this sweetheart -she owned it fully

A post shared by Selena Gomez (@selenagomez) on

"Finally got to meet this sweetheart — she owned it fully," Gomez wrote on Instagram.

Of course, Audrey knew every single word and paired it with choreography that even had Gomez copying.

"When she's dancing, she's happy and brings so much joy to everyone watching," Julie Haise, Audrey's mom, told TODAY last August.

Just by watching the videos on her Facebook page, where she has more than 1 million fans, it's clear that the energetic pint-sized performer gets so much joy from singing and dancing.

"I just thought I would start singing to maybe put a little passion and spirit in me so I could try to fight off my disease," Audrey told NBC affiliate WAVE.

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