Boy Sings the Sweetest Lullaby to His Newborn Baby Brother (VIDEO)

(Screenshot: Westmore Kids/YouTube)

He barely knows his newborn baby brother, but this six-year-old is already crazy about him. As he cradles the infant in his lap, the proud big bro sings a simple song of adoration, "No One Like You" by Johh Denver. Thinking about how he'll look out for his baby brother growing up is enough to bring a smile to your face.