Watch Taylor Swift Sing Adele's 'Someone Like You' With a Leukemia Patient

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Swift may not know all the words, but that somehow makes the sweet rendition even more charming.

How's this for a feel good story: Taylor Swift singing Adele alongside a leukemia patient at a children's hospital.

That's exactly what happened in early August when Swift made a surprise appearance at the Boston Children's Hospital. A leukemia patient named Ben posted a video of his visit with Swift to Reddit on Monday, writing that the singer spent three hours visiting patients that day.

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"When she noticed the keyboard in my room, she asked me to play a song for her. I decided to play a song I had recently started working on which was 'Someone Like You,' by Adele," Ben writes. "She said she would sing what she knew, and I said that I would play as much as I knew. This was the most amazing moment in my life being able to accompany Taylor Swift."

Swift may not know all the words, but that somehow makes the sweet rendition even more charming.

"When she first stepped in she gave me a hug and she immediately started a conversation with me, just like the kind of conversation you'd have with a new friend," Ben told Mashable. "She is very nice and affable, and because of that all my nerves went away. I never dreamed a celebrity could be as down-to-earth and nice as she was."

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It was also during this visit that Swift adorably sang her hit "We Are Never Ever Ever Getting Back Together" with a young, scene-stealing patient named Jordan.

Swift is gearing up for a busy October with her new album 1989 scheduled to hit shelves later this month.