https://instagram.com/p/CT9sTVYAODV Source :
https://www.instagram.com/tv/CT9sTVYAODV/?utm_source=ig_web_copy_link -Kelly Clarkson and Ariana Grande sang "Respect"as Black Shelton and John Legend sag "Hold On, I'm Coming" as backup in a clip from the new season of "The Voice" that makes it's debut Monday September 20th on NBC.