WATCH: Adorable girl sings to her mum battling cancer

Grab your tissues because we've got your morning cry for you.

The above video, posted on Ellen DeGeneres' Youtube channel shows four-year-old McKenna singing Martina McBride's I'm Gonna Love You Through It to her mum who has reportedly been battling Hodgkins Lymphoma since 2013.

More: Little boy's Frozen costume goes viral

The video was also posted on Ellen's Facebook page, and shared over 360,000 times, with the comment 'If this doesn't make you cry, I don't know what will.'

We're not sure either.

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