Adorable 4-year-old sings emotional song to mom battling cancer

Screengrab courtesy of Ellen Tube
This is one of the most precious videos we've ever seen!

Meet four-year-old McKenna. Her mother is battling Hodgkin Lymphoma, so she wanted to cheer her up with a song. She adorably sings Martina McBride's "I'm Gonna Love You Through It" to her beautiful mother, and we're guessing there's not a dry eye in the house.

So cute. Guess who thought so too? Martina McBride herself! She took to Twitter on Monday to give a shout out to the little star.

If you haven't seen it, this is also a must watch inspired by the same Martina McBride song! This children's chorus sings for teacher battling Breast Cancer:

Famous Children's Chorus Sings for Teacher Fighting Breast Cancer
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