LOUISVILLE, Ky. (WDRB) -- A seven-year-old girl has got the moves -- and no one knows that better than superstar pop singer Selena Gomez.

Seven-year-old Audrey Nethery suffers from a rare, life-threatening marrow disease called Diamond Blackfan Anemia -- but her dance moves have made her an online sensation, leading to appearances on Rachael Ray and other national entertainment shows.

Last night, she took the time to join Selena Gomez in an impromptu dancing session while Gomez was in town for a concert.

Gomez posted a video of the pair of them hitting the groove on her Instagram page.

"Finally got to meet this sweetheart," Gomez posted. "She owned it fully."

The video was also posted on Nethery's Facebook page, "Audrey's DBA Photo Booth."

"Diamond Blackfan Anemia (DBA) is a rare blood disorder," Nethery's Facebook page states. "In DBA, the bone marrow (the center of the bone where blood cells are made) does not make enough red blood cells that carry oxygen throughout the body."

The page was created to draw attention to The Diamond Blackfan Anemia Foundation.

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