In a special moment for Ellen, the singer performed the heartbreaking song 'Mom' off his new album 'Man Against Machine'. The song is about a 'conversation' between a mother and her unborn child. As Garth puts it, it may make every "momma's boy" out there tear up.

A few weeks ago on Good Morning America, he had Robin Roberts in tears as well, just proving how emotional and powerful this song truly is.

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