Teen performs dance with grandma from safe distance during grocery drop

An 18-year-old is delighting millions on TikTok with an adorable performance guest starring his 76-year-old grandmother.

Lewis Leigh, a resident of the U.K., told "GMA" he taught his grandma, Phyllis Leigh, lovingly known as "Nan," a viral dance from the video sharing app while standing at a safe distance.

"Everyone just saying it's a wholesome video," Lewis said. "It's upsetting because my grandmother lives on her own so the highlight of her week is when my family and I visit."

Lewis has been maintaining space from his Nan amid the novel coronavirus crisis and was dropping off groceries to her before sharing the dance.

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"I did not expect her to pick it up so quick," Lewis said. "I thought the exercise would be good for her."

The video has over 4 million views on TikTok.